MrJCG

ت 𝆊 𝄞 Æ ᴭ Ӕ ߦߦߦߦ ߦߦߦߦߦ ߦߦ ߦ ⌖ ⌖⌖ ⌖⌖⌖⌖⌖⌖⌖⌖ ü ö ä ⌾ ◎ ๏ ⭗ ⦾ ⊚ Ӿ ӿ Ⱥ 🜹 ⴴ ⋮ ⫶ ⵗ ⡆ ⠸ ⦙ ⢰ 𝌅 ♻ ✲ ⧊ ᐄ ᐲ ᐂ ◬ ᐒ æ ᴂ Æ ⟑ ᐈ ᐉ ▻ ♺ ᶜ ᵓ ⧼ 〉 ⧼ ⧽ ‹ › ≺ ≻ Ƒ ◅ ⪦ ✓ ⌖ ◊ ※ ☆ ♊ ∴ ® © ° ¹ ² ³ o ^ ¼ ½ ¾ I II III IV IX × « » ¢ o 0 0 O Θ ⌖ ⌽ ː ⢈ ⡈ ⢐ : ⁚ ⠨ ⠅ ⡂ ∷ ⵆ ⣒ ⠭ ⣉ ⣤ ⠶ ። ⵘ ⁙ :· ⎕ □ ◼ ☐ ▢ ⍞ ⌼ ▽ △ Ø Λ ℗ Ψ ◇ ⵚ ℺ ⎔ ⎕ ⫏ ⩌ ♊ 𝚷 ⨿ Œ エ ⌶ ▥ ◫ ⫫ ╨ Ꮖ ᗵ ᗶ 𝙸 ェ ᙡ I II III ფ ⑦ ➆ ◎ ⑤ ℗ ʘ ➅ ② ④ ③ ➃ ① ⑨ © ➀ ➂ ∵ :· 😄 ֶ😊 😝 ϯ ƒ † ϯ ✳ ✴ ❋ * ∗ ✺ ✻ Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ ⓐ ⓑ ⓒ ⓓ ⓔ ⓕ ⓖ ⓗ ⓘ ⓙ ⓚ ⓛ ⓜ ⓝ ⓞ ⓟ ⓠ ⓡ ⓢ ⓣ ⓤ ⓥ ⓦ ⓧ ⓨ ⓩ 🄰 🄱 🄲 🄳 🄴 🄵 🄶 🄷 🄸 🄹 🄺 🄻 🄼 🄽 🄾 🄿 🅀 🅁 🅂 🅃 🅄 🅅 🅆 🅇 🅈 🅉 ⓪ ☉ ʘ 0 º о o ο ° ọ ◬ Ⓟ & Ⓒ ℗ & © ① ② ③ ④ ➃ ⑤ ➅ ⑦ ➆ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮ ⑯ ⑰ ⑱ ⑲ ⑳ ㉑ ㉒ ㉓ ㉔ ㉕ ㉖ ㉗ ㉘ ㉙ ㉚ ㉛ ㉜ ㉝ ㉞ ㉟ ㊱ ㊲ ㊳ ㊴ ㊵ ㊶ ㊷ ㊸ ㊹ ㊺ ㊻ ㊼ ㊽ ㊾ ㊿ Ⅱ ⁄ǀ⁄|⁄ ⁄ǀ⁄|⁄⁄ǀ⁄|⁄⁄ǀ⁄|⁄ ☮ ➀ ➁ ➂ ➃ ➄ ➅ ➆ ➇ ➈ ➉ ⦷ ⑪ ⑫ ⑬ ⑭ ⑮ ⑯ ⑰ ⑱ ⑲ ⑳ Ω Ω ᶷ Ⱦ ＩＩ i̲̅i̲̅ i̲̅ i̲̅i̲̅i̲̅ S̶̷ s̶̸ ∇ Δ ℧ ఆ Ω Ω ∴ ∵ ·∵ :· ℗ ℗ © © ® ® € $ £ ∙ ∙ Å √ ← ↑ → ↓ ⇀ ⃑ ⏗ ߯ | ½ ⅓ ¼ ⅔ ½ ¼ ¾ ⅛ ⅜ ⅝ ⅞ № ™ ℠ ∇ ∆ ◊ ° ° • // © & ℗ ℗ & © Г Γ ┌ г ᴦ ⎾ Á À Ā É È Ē Ẹ/E̩ Ẹ́/É̩ Ẹ̀/È̩ Ẹ̄/Ē̩ Í Ì Ī Ô ô Ó Ò Ō Ọ/O̩ Ọ́/Ó̩ Ọ̀/Ò̩ Ọ̄/Ō̩ Ú Ù Ū á à ā â ê é è ē ẹ/e̩ ẹ́/é̩ ẹ̀/è̩ ẹ̄/ē̩ ë č ç í ì ī ó ò ō ô ọ/o̩ ọ́/ó̩ ọ̀/ò̩ ọ̄/ō̩ ú ù ū ü ö ä Ä Ü Ö ß ß Ꭶ © ℗ ® • · – ° ™ £ ¢ € ¥ † ‡ ▼ ∆ ☺ ☻ ♥ ● ☆ ♪ ♫ ¢ √ ⫤ ⌓ ߘ ᗏ 👈 ▷ ◁ ◅ ⨞ ◄ ⩤ ᐊ ⊲ < ◃ ◂ ◀ ብ ᕒ ϶ ³ ∋ Э ʒ Ώ Ὠ Ὼ : ﬤ ਸ਼ ﬤ ᑐ ᴞ • · • • • ˙ ∷ ΨTOPIA π π iƒpi ‹› «» » « ™ × „” “” ? ° º ª Ⓟ © ® ™ ✳ π Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ Ⅻ № Nº ™ ® ℗ © A₁ A¹ ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ iƒpi ℝ A³ ² Nº °¹²³ 🖭 (Cassette image) ⚫ ƍ Ǝ Ə Ɯ Ƨ ƨ Ʊ Ƹ Ʌ ɐ ɒ ɔ ɘ ə ɜ ɞ ɟ ɥ ɯ ɹ ʁ ʇ ʌ ʍ ʎ ʞ ⅎ Æ æ Ø ø Œ œ Ð ð Þ þ Ł ł ß ſ Ƃ ƀ Ŧ ŧ 33⅓

Renaissance (4) [[X]] (eg use '[[X]]' for 'striked out' groups, words etc).
? ◼ 45Cat ◼ Decca Studios ◼ Catalogue of copyright entries ◼ TraditionalMusic ◼ Hymnary ◼ RockabillyHall ◼ NWmusicarchives ◼ Rcs-discography ◼ MasterListCreater ◼ AdamVarga ◼ RecordCatalogue ◼ YesteryearBooks ◼ Piratapes ◼ SheetMusicWarehousr ◼ dbopm ◼ Brass Band Catalogue ◼ BrassBand ◼ 45-Sleeves ◼ US Labels ◼ bsnpubs ◼ 45Cat ◼ 78rpm Community ◼ Official Charts ◼ DAHR (Discography of American Historical Recordings) ◼ CMTA (Christian Music Trade Association) Codes ◼ ◼

CopyPasteCharacter ◼ Text-Formatting Within Discogs ◼ ShapeCatcher ◼ Strikethrough Tool ◼ Strikethrough Tool ◼ Upsidedown ◼ Database Manager ◼ Translator ◼ Upside Down & Mirrored Letters/Numbers ◼ ◼

Rights Societies:
AADI-CAPIF - Argentina
ACUM - Israel
ADA - Romania
ΑΕΠΙ / AEPI- Greece
AMCOS - Australia & New Zealand
APRA - Australia & New Zealand
Artisjus - Hungary
ASCAP - USA
Austro Mechana - Austria
AWA - German Democratic Republic (GDR)
bel - Belgium (check this)
BIEM - Europe
Britico / MCPS / Mecolico - UK
CAPAC / SOCAN - Canada
FILSCAP - Philipines
GEMA - Germany
IPRS - India
JACAP - Jamaica
JASRAC - Japan - 〄
KODA - Denmark
LATGAA - Lithuania
MASA - Mauritius (?)
MCPS / Mecolico / Britico - UK
MCSC (Music Copyright Society Of China) - China
Mecolico / MCPS / Britico - UK
Musicautor - Bulgaria
ncb / NCB / n©b - Scandinavia
OSA - Czech Republic
PRO Canada - Canada
RISA - South Africa (?)
SABAM (Société d’Auteurs Belge – Belgische Auteurs Maatschappij) - Belgium
SACEM SDRM SACD SGDL - France
SADIAC - South America
SAKOJ / SOKOJ - Yugoslavia
SECTP / SPA (Sociedade de Escritores e Compositores Teatrais Portugueses / renamed 1970 to Sociedade Portuguesa de Autores) - Portugal
SEDRIM (pre 1969) / S.I.A.E. - Italy
SESAC - USA & Canada
S.G.A.E. / SQAE (?) - Spain
S.I.A.E. / SEDRIM (pre 1969) - Italy
SOCAN / CAPAC - Canada
SOKOJ / SAKOJ - Yugoslavia
SPA / SECTP (Sociedade de Escritores e Compositores Teatrais Portugueses / renamed 1970 to Sociedade Portuguesa de Autores) - Portugal
STEF - Iceland
Stemra - Netherlands
STIM - Sweden
SUISA - Swiss
TEOSTO - Finland
TONO - Norway
TURK MALI - Turkey
Zaiks - Poland
List of Rights & Countries.

Tax Codes:
ST - 1946 - 1947
LT - 13 November 1947 to 9 April 1948 (?)
AT - Dec 30th 1950 - Apr 15th 1953
NT - Apr 15th 1953 - Oct 27th 1955
RT - Oct 27th 1955 - June 1st 1957
XT - June 1st 1957 - Oct 1st 1958
UT - Oct 1st 1958 - Apr 8th 1959
ET - Apr 8th 1959 - Aug 1st 1960
WT - Aug 1st 1960 - July 26th 1961
OT - July 26th 1961 - Apr 10th 1962
ZT - Apr 10th 1962 - Nov 26th 1962
PT - Nov 26th 1962 - Jan 1st 1963
MT - Jan 1st 1963 - July 1st 1963
KT - July 1st 1963 (*the KT code can still be present on some UK EMI labels releases up until 1975)
Nov 23rd 1968 JT
Apr 1st 1973 - Purchase tax replaced by VAT.
[CT+I.P.] - 1952 / 1953 (?)
Mechanical Copyright Stamps.

Label Codes: Began 1st May 1976.

Barcodes in music industry: (https://www.thatericalper.com/2020/03/24/history-of-barcodes-in-the-music-industry/)
LP (USA) - 1979
45's (CBS) - 1983

ASIN - Amazon Standard Identification Number

"Sold In U.K. Subject To Resale Price Conditions, See Price Lists" - Printed on labels up to 1968 (?)
Polydor 7 digit Cat#'s introduced April 1970.
EMI Group - CD
'CDP...' Cat# used mid to late 80's
'0777...' Cat# used in 90's
'Universal logo' (x 4) ([4 x Universal Logo]) added 2004+

Distribution Codes-EMI Version ◼ Distribution Codes
The EMI country codes (introduced on 1 June, 1969):
OC = UK / 0C = UK
1A = Holland / 1C =Germany
1J = Spain / 2C = France
2E = Austria / 2J = Greece
3C = Italy / 3E = Switzerland
4C = Belgium / 4E = Sweden
5C = Holland / 5E = Finland
6C = Denmark / 6E = Denmark
7C = Sweden / 7E = Norway
8E = Portugal / 9C = Finland
10C = Spain / 11C = Portugal
12C = Austria / 13C = Switzerland 14C = Greece /16C = Australia (unused on releases)
17C = New Zealand (unused on releases) / 31C = Brazil
33C = Mexico
А, Б, В, Г, Д, Е, Ё, Ж, З, И, Й, К, Л, М, Н, О, П, Р, С, Т, У, Ф, Х, Ц, Ч, Ш, Щ, Ъ, Ы, Ь, Э, Ю, Я
Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ Σ σ/ς Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω

◼ Studio List ◼ Runout Information ◼ Mastering List ◼ Runout Etching V.4 ◼ Decca Studios ◼ USA Pressing Plants (ATCO) ◼ Globaldog ◼ WorldCat ◼ Copyright Encyclopedia ◼ Pressing Plants (USA) ◼ Matrix Lists etc. ◼ Columbia Pressing Plants (USA) ◼ CD Matrix ◼ Web Resources List ◼ WebResources List cont. ◼ ChristMachine-Full DeadWax List ◼ Label Codes for CBS Haarlem pressed vinyl (ie 08-xxxxxx-01 etc) ◼ SID IFPI Codes ◼ French Price Codes ◼ Sam Holloway (Company Sleeves) ◼ 45-Sleeves ◼ Thread for Entering Matrices & Thread for Entering Matrices ◼ SID (IFPI) Codes ◼ Penny Royal SID List ◼ Credit List ◼ Country of Production (CDs / DVDs) ◼ Pink Floyd Archives ◼ Vertigo Labels ◼ Matrix List V6 ◼ Names/Types of CD Casing ◼ Vinyl Pressing Rings ◼ More SID Code Lists (Musik-Sammler.de) ◼ List Of SID Codes (Redump) ◼ Bowie (7") ◼

Printers (Forum):
⩓ F.I.Sorel (France) - France Imprimerie Sorel
[Logo with 3 circles & arrow] (France) - Offset France
a / A.R.E.A.C.E.M. (France) - A.R.E.A.C.E.M.
Allan Sharp Limited (UK) - Allan Sharpe Limited
apep / APEP (France) - APEP
A.W. (UK) - A. White & Co. Ltd.
B&M / B.M. (UK) - Balding & Mansell Ltd
BuPr (UK) - BuPr
CB (UK) - Clout & Baker Ltd.
C.G.C.G. Ltd. / GRAMOP (Greece) - Columbia Gramophone Company Greece Ltd.
CMCS (UK) - CMCS Print & Colour Ltd.
Coloprint (India) - Coloprint
C.v.d. (Germany) - Carl v. d. Linnepe
Dotline (Pakistan) - Dotline
DP (UK) - Delga Press Limited
EH / E H (UK) - E. Hannibal & Co Ltd.
E.J.D. / EJD (UK) - Ernest J. Day & Co. Ltd. (1926 - 1969) / E.J. Day Group (1969 - mid 70's)
E.&O.E. - Mainly Cassettes (?) (Germany) - E. & O.E.
Execução Gm / GM (Portugal) - Gráfica Monumental
ER (Canada) - Ever Reddy
F.R.B (UK) - F. R. Britton & Co., Ltd.
Gerhard Kaiser GmbH (Germany) - Gerhard Kaiser GmbH
GL / G&L (UK) - Garrod & Lofthouse
Glory (France) - Glory, Asnières
GM / Execução Gm (Portugal) - Gráfica Monumental
GP / G.P. (UK) - Graphis Press Limited
GRAMOP / C.G.C.G. Ltd. (Greece) - Columbia Gramophone Company Greece Ltd.
Grapha Tami (Greece) - Grapha Tami
Greville Litho Ltd. (UK) - Greville Litho Ltd (Company (LCCN)) / Greville Litho Ltd. (Artist)
HL (UK) (?) - Howards Ltd. (Howards Printers (Slough) Ltd.)
HP / H.P. (UK) - Howards Printers (Slough) Ltd.
H & S (UK) - H & S Ltd.
IDN (France) - I.D.N.
JU / J.U. (UK) - James Upton Ltd. / Upton Printing Group
L.A. Cousins & Co. Ltd. (UK) - L.A. Cousins & Co. Ltd.
Macaypa (Spain) - Macaypa
McN (UK) - MacNeill Press Ltd.
Montreuil Offset (France) - Montreuil Offset
MSP (France) - MSP (4)
MWE - ??
Pineburn Press Ltd. (UK) - Pineburn Press Ltd.
RS (UK) - Robert Stace
SPC - Shorewood Packaging Co. Ltd. (UK) / Shorewood Packaging (USA) / Shorewood Packaging Corp. Of Canada Ltd. (Canada) (http://www.fundinguniverse.com/company-histories/shorewood-packaging-corporation-history/)
SJP (UK) - SJP (3)
TPS (UK - Plate Makers) - Trade Platemaking Services
TRL (UK) - ??
UPE / U.P.E. (Malaysia) - United Print Enterprise
UP / U.P. (UK) - Upton Printing Group

Cassette Manufacturers:
1R1 / 1R2 (USA) - Columbia House (Reel To Reel)
AR (USA) - Allied Record Company
CPJ (USA) - Columbia House (?)...Maybe Capitol Records Pressing Plant, Jacksonville (??)
DP (Logo On Cassette Shell) (UK) - Data Packaging Corporation
ESB (Cassette Manufacturer) - ESB
GTS (UK) (Cassette Manufaturer) - G.T.S. (Fabrications) Limited
IHE (Cassette Manufaturer) - IHE
Inverhouse (Cassette Manufaturer) - Inverhouse
Mood Duplication (France) - Mood Duplication
NSN - NSN (2)
Polygram (Upsidedown on cassettes - WⱯꓤꓨ⅄ꓶOꓒ) (France) - Polygram Industries Messageries
SR (USA) - Specialty Records Corporation

Unofficial/Pirate Cassette Labels:
List
List

Companies: Pressing/Mastering:
⌾ (Canada) - Capitol Records-EMI Of Canada Limited
ꔰ [unicode symbol] / + or ++ / xxxxx (2) or (3) / xxxxx.1 (2) or (3) / RTI (Canada) - Record Technology Incorporated
+ + / +Axx+ (USA) - Sonopress USA
𝄢 [Bass Clef Symbol - B side label, embossed, 1981 Onwards] (Germany) - Sonopress
✱ (Often with 'MAX') / ISS - (UK) - Immediate Sound Services Ltd. (1970's to 1989) / Audio Services Ltd. (1989 to 2006)
✲ (USA) - Capitol Records Pressing Plant, Los Angeles
🜷 [Anvil/Lathe Symbol] / IAM [In a Triangle] (USA) - Capitol Records Pressing Plant, Scranton
〄 - JASRAC (Japanese Right Society Symbol)
Ʊ / ƱTOPIA (UK) - Utopia Studios
() (slightly overlapping to make an 's'/'o') / CA (CA [label cat#] [one or more "@"] IFPI [Mastering SID Code] M/D/YYYY HH:MM:SS [AM/PM] NNNNNNNNNN) / MPO (France) - MPO
❀ / AZ (USA) - Allen Zentz Mastering
◅ Ʃ / ᗡᕒ / (DM) (USA) - Diskmakers
π (Pi symbol) / WSC (Rarely) (UK) - Pye Studios
▽130 / ▽420 (more likely used) (UK) - PRS Ltd.
▽150 / ▽700 (New Zealand) - PRS Ltd., Miramar/Wellington (Sometimes pressed for Australia - either '700' or '150')
▽320 (German) - Phonodisc GmbH ('73 - '78) / PRS Hannover (June '78 - Dec '85 & Sept '91 - Dec '92)
▽380 (France) - PRS, Louviers
▽420 / ▽130 (used very rarely) (UK) - Record Pressers Ltd. (July '57-May '59) / Philips Records Ltd. (May '59-Feb '69), Phonodisc Ltd. (circa '73/'74 had a raised outer rim on labels) (Feb '69-May'79), PRS Ltd. (May '79-Mid '88)
▽520 / 520 (Italy) - Phonoster (? - 1980) / Polygram, Tribiano (1980 - 1985) / PhonoComp (1985 - 1999) / Disctronics SpA (1999 - 2003)
▽670 (Netherlands) - PRS Baarn (1980-1993) / Phonodisc B.V. (1963-1979) / Philips Phonografische Industrie (1951-1962)
▽700 (New Zealand) - PRS Ltd., Miramar/Wellington (Sometimes pressed for Australia - either '700' or '150')
▽710 (Norway) - PRS, Oslo
▽720 (Austria) - PRS Ges.mbh
▽850 (Spain) - PolyGram Servicios, S.A.
∴ or ⋀ (A) / C / D at 9o'clock / (possibly also ': )' stamp - check this) - CBS Pressing Plant, Aston Clinton
△△△✴✴✴ / CGD / [logo like a 3 round petal flower...ish] (Italy) - CGD Pressing Plant
⩓ (A) or Δ (Delta) / O0() (agi) / AGI / DFI (France) - Disco France (until 1989 / DFI)
Δ (Delta) or ⩓ (A) / O0() / agi (France) - Disco France
─◁ / WW (USA) - Capitol Records Pressing Plant, Winchester
回-G-回 (USA) - MCA Pressing Plant, Gloversville
◈-P-◈ (USA) - MCA Pressing Plant, Pinckneyville
▻ (with 'dot' inside) / 53 (on labels) - Hauppauge Record Manufacturing Ltd.
℗ 1969 L9 ◇Z ᴒ 00 212083 S1=1 (eg.) (German) - Deutsche Grammophon Gesellschaft Pressing Plant
0 / O (large/capitol 'O' or '0') (USA) - Capitol Records Pressing Plant, Jacksonville
O0() (agi) / Δ (Delta) or ⩓ (A) (France) - Disco France
020 8691 2121 (tel. No.) - Sound Performance
07/99 / 09/99 (MM/YY) - Warner Music Manufacturing Europe (1990 - 2003)
08-0xxxxx-yy (Dutch CBS site '69-'88) - CBS, Haarlem / (from '71-June'90) - Sony/CBS, Haarlem / (from '91 - '98) - Record Industry
16 (Label) / SOL / SO / SON / K ##### (USA) - Sonic Recording Products, Inc. (50's - '75) then Goldisc Recording Products, Inc. ('75 - mid 80's)
18 (Label) / PR / (PR) / -PR (USA) - Presswell
111 / 112 (Japan) - Victor Company Of Japan, Ltd.
1U / 2U (ie "ROKN 521 A-2U" - contract pressings from EMI) - EMI Records (the facility was acquired by Portal Space from 2001 - 2009 using unique EMI format & typeface)
21xxxxxxxxxxx / IFPI LK96-LK99 - TAKT
22 / 33 / 44 / 66 / 77 / 114 / AD / AD01 / ALL DISC (USA) - All Disc Records, Inc.
26 (Label) / PRC-C / PRC-W- PRC Recording Company, Compton, CA
2HZ / 5HZ (Includes 'DM' or 'CRC' (Eng.) Canada) / CSPS (?) - CBS Records Canada Ltd.
3BC / IFPI LU31, IFPI RZxx (eg || CD || XLCD183 || 04283-9271) - 3BC
399 (Africa - Ghana) (?) - Record Manufacturers (Ghana) Ltd. [R.M.G.L.]
410 / CR410 / MT410 / DT410 (Greece) - G.P.I. S.A.
5Qxx (Mould SID) / LD11/12 (Mastering SID) (UK) - CD Systems
520 (Vinyl) / PHC (CD) (Italy) - PhonoComp
561 (Africa (Kenyan)) - E. A. Records
60 (on label) / SMK / SMI - Sound Makers
73 (Label ('79-'81)) / CTH / CT - Columbia Records Pressing Plant, Terre Haute
77 (Runout) 22 / 33 / 44 / 66 / 114 / AD / AD01 (USA) - All Disc Records, Inc.
AXXXXX / RXXXXX (CD's) / DXXXXX (DVD's) (Italy) - HILUX
xxxxxE (12") / xxxxxM (12") / xxxxxG (7") / xxxxxH (7") / xxxxxO (7") (eg 76211M) - GZ Digital Media
A1C / A1AE / 'W' - RCA Records Pressing Plant, Washington, UK
A/Axxxxx (On labels) / MTxxxxx (In Matrix) (Greece) - Columbia, Athens
AAHxx (IFPI Mould SID) - Mediamotion (2003 - 2008) / Promese (2008 - March 2016 (Until # 40468xx)) / Profact International (1st March 2016 - ?? (# 40469xx Onwards))
AcR / ACR (1970-1972) / 2.75" diameter deep groove press (Canada) - RCA Records Pressing Plant, Smiths Falls, Ontario
AD / AD01 / ALL DISC / 22 / 33 / 44 / 66 / 77 / 114 (USA) -
Æ #### / AE #### (UK) - Aerco Processing
AEWxx (IFPI Mould SID) / LY33/LY34 - Sony DADC UK Ltd.
agi / Δ (Delta) or ⩓ (A) / O0() (France) - Disco France
ALI / (ALI) (Mastering/Plating/Pressing) - Allied Records Ltd.
Anvil / Lathe symbol (USA) - Capitol Records Pressing Plant, Scranton
ANZ 1234 Axxxxxxxxxx-yyzz 12 (Australia) - Sony DADC Australia
ARC / AL (USA) - Allentown Record Co. Inc.
ARP (USA 1952-1972) - American Record Pressing Co.
AST / AUD/AST (Italy - Republic of San Marino) - Aster (2)
ATM (USA) - AcousTech Mastering
AVP / <AVP> (AVP inside a rombus(diamond)) - Acme Vinyl
AZ❀ (USA) - Allen Zentz Mastering
B##### (CDs) or D##### (DVDs) / IFPI LP56/57 / IFPI 5H## (UK) - kdg UK Limited
[Bass Clef Symbol: 1981 Onwards] (Germany) - Sonopress
[Bass Clef Symbol - Looks Like] (USA) - Plastylite
BC / (with) PA####/ BC#### / W#### (UK) - Broadcrest Ltd.
BOD (German) - DOCdata Germany (1992-2008) / BOD Berlin Optical Disc (2008-2010)
BP-##### / IFPI LW## / IFPI RP## (UK) - Thamesdown SDC Ltd (From March 2006 used by ODS Business Services (2))
(c) ('c' is diagonal) - Lynic / www.lynic.com - www.lynic.com
C [Circled] (USA) - Concord Disc Manufacturing
CA (CA [label cat#] [one or more "@"] IFPI [Mastering SID Code] M/D/YYYY HH:MM:SS [AM/PM] NNNNNNNNNN) / MPO / () (slightly overlapping to make an 's'/'o') (France) - MPO
CDM (Sweden) - CDM (10)
CDT (South Africa) IFPI L141 / IFPI 27xx - CDT (2)
C&G (Often with 'DZ') (France) - Cutting & Galvanoforming
CGD / △△△✴✴✴ / [logo like a 3 round petal flower...ish] (Italy) - CGD Pressing Plant
CO-#### / CX-#### / COOK (USA) - Cook Laboratories, Inc.
Copymasters (Mastering) - Copymasters / (Renamed - '94/'95) masterpiece
CP / POSI (Ireland) - Carlton Productions
CR in a circle (Canada) - Cinram (Glass Master date - TRIB216391 #11114Y17 12 = 14th November 2001 or #930314KK CD-40762 MFG BY CINRAM = 14th March 1993
CRC / DM-x / 1A2HZ (Canada) - CBS Records Canada Ltd.
CRS - County Recording Service
CSR / CSR Compact Disc / C (Japan CD) - CBS/Sony Records Inc.
CSV (UK) - Clear Sound And Vision
CTH / CT / 73 (Label) (USA) - Columbia Records Pressing Plant, Terre Haute
CX-##### / CO-#### / COOK-### (USA) - Cook Laboratories, Inc.
DCA (USA) / IFPI LLxx & IFPI F7xx - DCA (3)
DDCS (Ireland) - Dublin Disc Cutting Service
D&M / D+M (Germany) - Dubplates & Mastering
Decca / DR (Pressing Plant until 1979) - Decca Record Co. Ltd., Pressing Plant, UK.
Decca (Mastering/Recording Studio until 1980) - Decca Studios
DFI / ⩓ - DFI
DGG / ℗ 1964 H70 / 'Made in Germany' / - Deutsche Grammophon Gesellschaft Pressing Plant
DM / looks like ◅ Ʃ or ᗡᕒ (USA ) - Diskmakers
DM / CRC / 2HZ / 5HZ (Canada) - CBS Records Canada Ltd.
DM (Canada) - Columbia Records Pressing Plant, Don Mills, ON
DM / DMM / DS / 'Year'S (ie: 83S) / 'Bass Clef' Symbol (Usually on B-Side label, near spindle hole) - Sonopress
DMI / W.O. (Work Order #) / S.O. (USA) - Disc Manufacturing, Inc.
DP (Belgium) - Disco-Press
DP (Logo On Cassette Shell) (Cassette Manufaturer) (UK) - Data Packaging Corporation
DT / TXG / TXD / TD / TG / GT / XT / ZTD (Canada) - RCA Studios, Toronto
DW / ifpi LR11 & LC17 (Australia) - DW (2) (took over from SM in 2014 - ????)
EDP - Europadisk
ELA / Δ00000/-X (USA) - Electrosound Los Angeles (pre '85 was MR)
EMI Swindon (CD's - UK) / Printed + stamped matrix string (ie xxxxxx x : 1:1:4), also be IFPI 14xx - EMI Swindon
EMI Uden (CD's - Holland) / Printed + stamped matrix string Uden will have country identifier (ie xxxxxx x : 1:1:4:NL), also be IFPI 15xx - EMI Uden
EMW / ƐMW / ℰMW (US) - Electrosound Group Midwest, Inc.
ESB (Cassette Manufacturer) - ESB
et / ET (Germany) - Elaton (2)
FW (USA company) - Frankford/Wayne Mastering Labs
F/W (USA) - Frankford/Wayne Recording Labs
Grampian (Scottish Pressing Plant '84-'94)- Grampian Records Ltd., Annan
GG - Gedmal Galvanic Ltd.
GOL (USA) - Goldisc Recording Products, Inc. was SOL until 1975
GP (Sweden) - Grammoplast
Grii Stamper / GRII - GRII Stamper
GTS (UK) - G.T.S. (Fabrications) Limited (Cassette Manufacturer)
H (RCA - USA) - RCA Records Pressing Plant, Hollywood
Ⓗ (Holland) - CBS, Haarlem
HO / HO x xx H (UK - Pre 1960's (?)) - Homecord
HPG / HP-Greece (Greece) - Diski CBS AEBE (?)
HRM / '53' on label / Isosceles triangle on side with dot (◬) (USA) - Hauppauge Record Manufacturing Ltd.
I (On Labels) ( Canada) - Impact Records Mfg. Co. Of Canada
I-x (UK) - Island Records Manufacturing Ltd (1974 - 1991)
IAM [In a Triangle] / 🜷 [Anvil/Lathe Symbol] (USA) - Capitol Records Pressing Plant, Scranton
I.B.C. - I.B.C. Studios
IFPI 2U## / CI / IFPI L901-L903, L908, L909 (USA) - Cinram, Olyphant, PA (2003 - ?)
IFPI 2V## / CA / IFPI L901-L903, L908, L909 (USA) - Cinram, Commerce, CA (2003 - ?)
IFPI KPxx / MMM / "MADE IN IRELAND" (Ireland) - Matsushita Media Manufacturing, Youghal, Ireland
IFPI LD11/ LD12 / IFPI 5Q## - VDC Group
IFPI LN07, IFPI LN08 or IFPI LN09 / IFPI JI## & mm/dd/yyyy hh:mm:ss [AM|PM] #nnnnn[n] [additional numbers] (US) - OEM (Optical Experts Manufacturing)
IFPI LP56/57 / IFPI 5H## / B##### (CDs) or D##### (DVDs) (UK) - kdg UK Limited
IFPI LRxx / IFPI 9W## - www.mobineko.com
IFPI LT57/58 (With IFPI Z9xx) (Poland) - GM Records (3)
IFPI 73## [with 5 digit #] 8#### or 9#### / ABLEX - Ablex
Inverhouse - Inverhouse (Cassette Manufacturer)
IHE - IHE (Cassette 'Shell' Manufacturer)
ISS / ✱ (Often with 'MAX) (UK) - Immediate Sound Services Ltd.
JAMF (Canada) - JAMF Studios
✳-J.T.S.-✳ - JTS Studios
JW (USA) / Cap J - Capitol Records Pressing Plant, Jacksonville
L7 / 00 L7 (France) / Mould SID 02xx ('94+) - PMDC, France
L-00000-X / L-19177-X - Greg Lee Processing
LW / ✲ (USA) - Capitol Records Pressing Plant, Los Angeles
LW / LWP (USA) - Longwear Plating
LYN - Lyntone / Lyntone Recordings Ltd.
Ⓜ - Metropolis Mastering
M3 (7") / M6 (12") / M9 (2xLP) (ie Side A - M6 284890/ Side B - M6 284891 - French) - Pathé Marconi EMI, Chatou (1972-03/1990) or Pathé Marconi, Chatou (1932-1971)
"Manufactured in Germany" / ✓ (?possibly but not sure?) - Teldec-Press GmbH
Mayking Records - Mayking Records (Occasionally, glass mastering was outsourced to PDO, UK. Then an 8+2+1 pattern is added, e.g. 10190291 01 &.)
MCA (USA) - MCA Whitney Recording Studios
MCP / Mcl / McCl / McCLEAR / MW / MCW (Canada) - McClear Place (1979 - 1990 - from 1979 - 1982 the old plant's codes were sometimes used RCA Studios, Toronto)
MCR - Master Cutting Room
Мелодия (Russia) - Мелодия - (Manufacturer can be found on the vinyl labels, right below "МЕЛОДИЯ".)
MMM / "MADE IN IRELAND" (Ireland) - Matsushita Media Manufacturing, Youghal, Ireland (IFPI KPxx)
MPPV / M.P.P.V. (France) - Manufacture De Productions Phonographiques Vogue
MR / MR (Within a circle) / MO / '△00000' (50's-60's) (USA) - Monarch Record Mfg. Co. - post '85 became ELA.
MT = Musitech
MT 410 / M.T. 410 / CD/CR/CRT/CT 410 (Greece) - G.P.I. S.A.
MTxxxxx (In Matrix) / A/Axxxx (On labels) (Greece) - Columbia, Athens
MVS - MVS (Record Pressing) Ltd.
M.V.V.P. (France) - Manufacture De Productions Phonographiques Vogue
MX / SMX (Australia) - Festival Studios / Festival Custom Recording
Nimbus (V) (USA) - Nimbus, Virginia
Nimbus (UK) - Nimbus (Dot system discontinued in '97)
NN-#### / BP-#### (With IFPI LT22/LN12/LN13/UU***) (UK) - ODS Business Services (2)
NR (USA) - Nashville Record Productions
NRP / WG/NRP (USA) - Nashville Record Productions
NSC / (NSC) (NSC inside an oval) - National Sound Corporation
o (small 'o') (USA) - Customatrix
NSN (Cassette Manufacturer) - NSN (2)
OMS / OPTI.ME.S. (Italy) - Opti.Me.S.
Orlake / OR / O (the '+' sign used as joiner within matrix) - Orlake Records
PDSC (USA) - PDSC (Glass Mastered - IFPI LL0x / Pressed By - IFPI V9xx)
PF (Mastering/Lacquer processing company, Germany) - Tonstudio Pfanz
PHC (CD) / 520 (Vinyl) (Italy) - PhonoComp
PL (on labels) / PP (in runout) (USA) - Plastic Products
Plastylite "Ear" Symbol (looks like a bass clef symbol) (USA) - Plastylite
Polygram (Upsidedown on cassettes - WⱯꓤꓨ⅄ꓶOꓒ) (France) - Polygram Industries Messageries
POSI / CP - (Ireland) - Carlton Productions
PR - P.R. Records Limited
PR / (PR) / -PR / 18 (On labels) (USA) - Presswell
PRC / PRC-R (USA '72-'90) - PRC Recording Company, Richmond, IN
PRC-W / PRC-C (USA '75/'77-???) - PRC Recording Company, Compton, CA
PRT - Precision Records & Tapes Limited
PS / xx PS xx (UK) - Portal Space (old EMI facility used same format & typrface)
“ɑ” (looks like Q - usually followed by B-XXXXX (LP/12") / R-XXXXX (7") / K-XXXXX (7" circa '75)) - Allied Record Company
Q / Qu (Canada) (SnB-sp Q) - Quality Records Limited
RXXXXX / AXXXXX (CD's) / DXXXXX (DVD's) (Italy) - HILUX
RC (USA) - RCA Records Pressing Plant, Indianapolis
RCA Recording Studios (List here) - RCA Studios
R/S Alsdorf (Vinyl) / RSA (CD) - Record Service GmbH
RTi / RTI / xxxxx (2) or (3) / xxxxx.1 (2) or (3) (USA) - Record Technology Incorporated
Ƨ / (Ƨ) (in a circle) / (without circle by 1979) - Shelley Products
S-x / Ƨ-x / WEA / TP / W-L / F/1 - WEA Records Pressing Plant, West Drayton
S-19305 / S-19306 - Rainbo Records
SFH / SFH UK Ltd. (UK) - SFH UK Ltd.
SH / SLM △ 00000-X - Sheffield Lab Matrix
SM / ifpi LR11 & L471/2/3/8/9/L480 (Australia) - SM (1981 - 2014)
SMA (Australia) - SMA
SMK / SMI / 60 (on label) (USA) - Sound Makers
SMX / MX (Australia) - Festival Studios / Festival Custom Recording
SNA (French) - SNA
SNB (Germany - Recording/Mastering Studio) - Studio-Nord-Bremen
SNV (Spanish CD pressing plant) - Sonovis
SO (USA) - Southern Plastics (1949 (name changed to United Record Pressing in 1971))
SOL / -often mistakenly interpreted as "TX", "To" or "Ta")SO / SON (USA) - Sonic Recording Products, Inc. - 1975 - GOL
Sony Music - Made By DADC Austria (1986-1999) / Sony DADC (2000-Present Day).
Sony Music - If matrix style is 'Sony Music 5xxxxxxx/[release cat#] XX' usually in conjunction with mould SID code IFPI 07**' then Glass Mastered At Sonopress Arvato (2004-2008) / Arvato Digital Services (2008-2011)
SRC - Specialty Records Corporation
Sterling / SS (Engineer list too) - Sterling Sound
SW (Wales, UK) - Spartan Manufacturing Ltd.
S/W / s/w / Sw#-##-## (US) - Soundwave
<T> (Germany) - Teldec-Press GmbH
T / T1 / TH (USA) - Columbia Records Pressing Plant, Terre Haute
Ʈ / TL / TR (French) - Translab
Tα (often mistakenly interpreted as "TX", "To" or "Ta") (Sweden) - Toolex Alpha
TLC (Canada) - The Lacquer Channel Limited (1975-1987) / The Lacquer Channel (1987-?)
TML-M / TML-S / TML-X - The Mastering Lab
TO (Japan) - Toshiba EMI Gotenba Plant
TOC (Denmark) - Tocano
Tranco (can appear dark translucent (red) (Most Pye UK pressed here) - Tranco Limited, renamed Precision Records & Tapes Limited in 1980, closed May 1981.
Ʈ / Translab (French Mastering Studio) - Translab
TXD / TXG / TX / TG / TD / GT / DT / XT / ZDT (Canada) - RCA Studios, Toronto (1954 - 1979) / McClear Place (1979 - 1982 still used 'TXD', 'TX. etc)
ⓤ / UR / U (USA) - United Record Pressing (from 1971, was previously Southern Plastics (SO))
V (Japan) - JVC (?) / Victor Entertainment, Inc.
(V) (Nimbus) (USA) - Nimbus, Virginia
V01 / Warner Logo / 07/99 / 09/99 / (IFPI L011 - L017) - Record Service GmbH (1976-1990) / Warner Music Manufacturing Europe (1990 - 2003) / Cinram GmbH (2003 - ?)
V01 xxx (With 3 letters after) - Cinram GmbH
VPS (US) - Volunteer Record Pressing, Inc.
˙W˙ (@ 12 o'clock) / A1C or A1AE (@ 3 o r9 o'clock) - RCA Records Pressing Plant, Washington, UK
W-xx KD (x=number) / F/1 - WEA Records Pressing Plant, West Drayton (When there is a "D" at 12o'clock & 7" has a slip ring then pressed by Damont.
Wxxxxxx (CD) / CI / IFPI L901-L903, L908, L909 / IFPI 2Uxx (USA) - WEA Mfg. Olyphant (1996 - 2003) / Cinram, Olyphant, PA (2003 - ?)
WMM (USA) - Well Made Music
WMME Alsdorf - Warner Music Manufacturing Europe
W.O. (Work Order#) / S.O. / DMI (USA) - Disc Manufacturing, Inc.
WSC (Rarely Used) / π (Pi symbol) (UK) - Pye Studios
www.the-practice.com - The Communications Practice
XXXXX (2) or (3) / XXXXX.1(2) (2) or (3) - Record Technology Incorporated
Xxxxxxx (CD) / CI / IFPI L901-L903, L908, L909 / IFPI 2Uxx (USA) - WEA Mfg. Olyphant (1996 - 2003) / Cinram, Olyphant, PA (2003 - ?)
xxxx-CD-yyyy / xxxx-DV-yyyy / xxxx-BR-yyyy - The ADS Group
XT / TX / TXG / TXD / TG / GT / DT / ZDT (Canada) - RCA Studios, Toronto (1954 - 1979)
XTBV / XSBV (12") (USA) - Columbia Recording Studios, Nashville
Yxxxxxx (CD) / CI / IFPI L901-L903, L908, L909 / IFPI 2Uxx (USA) - WEA Mfg. Olyphant (1996 - 2003) / Cinram, Olyphant, PA (2003 - ?)
Z xxxxxx (x=number) / - Recorded Publications Company
Zxxxxxx (CD) / CI / IFPI L901-L903, L908, L909 / IFPI 2Uxx (USA) - WEA Mfg. Olyphant (1996 - 2003) / Cinram, Olyphant, PA (2003 - ?) (See https://www.discogs.com/forum/thread/699750#7296812)
ZDT / XT / TXG / TXD / TX / TG / TD / GT / DT (Canada) - RCA Studios, Toronto (1954 - 1979)
ZTSB / ZSSB / ZTBV / ZSBV (7") (USA) - Columbia Recording Studios, Nashville

Engineers: 'Mastered By', 'Plated By', 'Lacquer Cut By' etc:
𝄞 - Don Grossinger
❀ / AZ - Brian Gardner
✩ (with Sterling Sound credits) - Greg Calbi
웃 / Gerry (Ireland) - GERRY-O
웃 [With Halo] / Roger 007 / RWM (UK) - Roger 007 Moore (Abbey Road Studios / West Indies Records (Barbados) Ltd. (1983-1996))
≠ / ‡ (Germany) - ≠ (Worked at Dubplates & Mastering)
Δ (Australian) - Δ/Tony Taurins
⁄|⁄ǀ⁄|⁄ǀ⁄|⁄K (USA) - Randy Kling
: ) / :-) / HP (USA) - Herb Powers Jr.
: ) (UK) - ? (possibly a CBS Pressing Plant, Aston Clinton mark - often found alongside CBS '⋀' stamp)
7P / AP (Australia) - Allan Parsons
Å / ᐂ (Australia) - Å (3)
AA (USA) - Arnie Acosta (Worked @ Bernie Grundman Mastering, The Mastering Lab & A&M Mastering Studios)
AC / Arun - Arun Chakraverty
AF / A.F. / Adi (Centraldubs) (Swiss) - Adi Flück
AJB (Well Made Music) (USA) - Adam Boose
Al / Allan / Allen (UK - CBS Studios, London) - Allen Landau
Alex / Alexis (French) - Alexis Latrobe (Alias: Alex Gopher - GOP)
AM (France) - Alain Morand
Andreas (Germany) - Andreas Kauffelt
ANDY'91 - Andy Crump (2)
ANDY (Sometimes credited with MELY's) - Andy Miller (4)
ANDY (Currently @ Sound Performance, previously @ Master Room & PRT Studios) - Andrew Thompson
AO (UK) - Arthur Owen (Worked @ Lyntone Recordings Ltd. from late 1970's to early 1980's)
AP / 7P (Australia) - Allan Parsons
AR (Italy) - AR (8)
ARUN / AC - Arun Chakraverty
Aunty B / Bobil / Hiltop / Boppin' Bob (UK) - AUNTY B.
AZ / A.Z. - Allen Zentz
AZ❀ - Brian Gardner
BA / BA-CR (Cutting Room) / BA-EF (Europa Film) / BA-GP (Grammoplast) / BA-Ta (Toolex Alpha) - Björn Almstedt
BAZZA - Barry Grint
Beau (Heathmans, Tape2Tape, Masterpiece & 10 8 7 Mastering) - Beau Thomas
BG / GB / BER (USA) - Bernie Grundman
Bilbo / DB- BilBo (3) / Denis Blackham
△BJ / ♢BJ / ✳BJ - Bob Jones (6)
BK - BK (14) (Optimal Media Production / Optimal Media GmbH)
BLAIRS - Chris Blair
BN (Germany) - Sönke Bahns (Teldec-Press GmbH)
Bobil / Aunty B / Bob Hill (9) - Bob Hill (9) / AUNTY B.
Boppin' Bob - Bob Jones (6)
Brian / BS (South Africa) - Brian Sheppard
C - Trevor Fletcher (Decca Studios) - C (17)
¢ / ₵ / Ȼ / TC / Sterling TC- Tom Coyne
CB (USA) - Chris Bellman
CD (UK - Nimbus) - Colin Dix
CEB / CBG - Christoph Grote-Beverborg (Worked @ Dubplates & Mastering)
CED (UK) (P.R. Records Limited) - CED (21)
cg / ☮ (USA) - Chris Gehringer
CH / CH ZIP / ZIP - Chris Zippel
Chab / Chaab / CH△B - Chab (2)
Chris A / Criss A - Chris Alexander
CJ / CJH / CJ III / CJJ (Well Made Music) (USA) - Clint Holley
Cookie / X - Ian Cooper
CR - Carl Rowatti (owner & chief of Trutone Mastering Labs NY USA)
Dave's (Worked at I.B.C. Studios - Sometimes coupled with MELYS) - Dave Tucker (4)
DB / Bilbo (UK) - Denis Blackham / BilBo (3)
DB (Australia) - Don Bartley
DCM / Dave (USA - Capitol Mastering) - Dave McEowen
DD / DDD (Italy) - Daniele Delfitto (Worked @ Idea Recording & CGD Pressing Plant)
Dennis (Heathmans Mastering, Finyl Tweek) - Dennis Smith (2)
Dick (360 Mastering) - Dick Beetham
Di Toma / DT (Intertwined - Misread as AH, TC, DE or dTF) (Italy) - Guido Di Toma
DJ / DWJ (USA) - Darrell Johnson
D Jay / DJ / DJAY (masterpiece) - Danny King
D.K. (Atlantic Studios) - Dennis King
DM - Don Mills (2) (Engineer @ CBS Records Canada Ltd.)
Don / DG / G - Don Grossinger
dP (Well Made Music) (USA) - Dave Polster
D.P. / Dp / dp / Denny / DNP (USA) - Denny Purcell
DS + MCR (USA) - Duncan Stanbury
DT / Turner - Dave Turner
DT (USA) - Dave Travis
DT (Intertwined - Misread as AH, TC, DE or dTF) / Di Toma (Italy) - Guido Di Toma
DZ (Often with 'C&G') (France) - David Zanfrino
E / ES / ED / Ɛ____ (USA - Capitol Mastering) - Eddy Schreyer
E (PR-E) (UK - P.R. Records Limited) - E (59)
EG - Eddy Gorecki
EL (France) - Émile Lépine
EW (UK) - EW (2) (Plating)
Francis - Simon Francis (1997 Onwards)
Francis / .Z. / -Z- / Z - Francis DeSouza / Z (2)
FH / fh (Australia) - Frank Hulbert
G / ∇G / ΔG / ◇G - Gordon Vicary
GC / STERLING GC - Greg Calbi
GD (UK) - Graeme Durham
Gene / ƐRT (USA - Capitol Mastering) - Gene Thompson
George / GL / G / George@Copymasters - George Lambert
Gerry / 웃 (Ireland) - GERRY-O
G.K. / GK (USA) - Gilbert Kong
GOP (French) - Alex Gopher (Alias: Alexis Latrobe - Alexis / Alex) (Translab)
GM / GEORGE / MG - George Marino
GP / G.P. (Germany) - Günter Pauler
GP (UK) - Geoff Pesche
GP (France) - GP (2) (Worked @ Studios Barclay-Hoche Enregistrements)
GR (UK - Nimbus) - Gerald Reynolds
Graeme - Graeme Durham (@ The Sound Clinic 'till '87 - co-founder of The Exchange '87 - ?)
Greg (masterpiece) - Greg Moore (4)
Guys / Guyz / / GD / Guy @ The Exchange - Guy Davie
△H / ♢H / ✳H - Howard Barrow
H1 / ℋ1 (Germany) - Peter Harenberg (TELDEC-Studio, Hamburg / TELDEC »Telefunken-Decca« Schallplatten GmbH)
HCB - Patrick Richter (Holland Cutting / The Masters)
Herbie Jr. / : ) / :-) (USA) - Herb Powers Jr.
Hi (German) - Joachim Hinsch (@ Joachim Hinsch Audio Mastering)
HL - Heino Leja (Optimal Media Production / Optimal Media GmbH)
HP / :) / :-) (USA) - Herb Powers Jr.
HP (Hungary) - Horváth Péter
HTM - Harry Moss
HW - Howie Weinberg
I (Ⅰ) / S (Germany) - Gerhard Schulze (Worked @ TELDEC-Studio, Hamburg)
IC (UK) - Ian Cooper
INGA'S - Inga (3)
エ∽ (IS) / (Can look like an H with S inside (USA - Capitol Mastering) - Ian Sefchick
△J / ♢J / ✳J - Geoff Calver
JA / JACKO (UK) - Jack Adams (2)
JA / ℐ⍺ (USA - RCA Recording Studios) - Jack Adelman
Jay Luck / Jay (USA - Capitol Mastering) - Jay Maynard
JB (France) - Jean-Pierre Bouquet
JCG (Mexico) - JCG
JE (USA) - John Eberle (Nashville Record Productions & United Record Pressing)
Jeff (UK) - Geoff Pesche (Utopia, Tape One, Masterpiece, Town House & Abbey Rd. in 2006)
JG / Joe / Jo. G (USA(?)) - Joe Gastwirt
JG (USA) - John Golden
JGS / JS (USA-Kendun) - Jim Sintetos
JH / J.H. (UK) - John Hudson (Mayfair Studios)
JJG (Son of JG) - JJ Golden
JOE + MCR (USA) - Joe Brescio
JONZ - John Dent
JR (US - Frankford/Wayne Mastering Labs / Sterling Sound) - José Rodriguez
JWG / JG (UK - Nimbus) - John Gladwyn
JS - Jeff Sanders
KD (USA-Kendun) - Kent Duncan
K.E.F. / KEF / K•&•F (Canada) - Kevin Fuller (RCA Studios, Toronto & The Lacquer Channel Limited in the 1970's)
KEV (USA - Capitol Mastering) - Kevin Reeves
Kev (UK) - Kevin Metcalfe
KH + MCR (USA) - Kevin Hodge
KIP / KIPPER (UK) - Kipper (5)
KL - KL (5) (Optimal Media Production / Optimal Media GmbH)
KP (USA - Capitol Mastering) - Ken Perry
KPG (The 'PG' can look like an 'M') / KMG (USA) - Kevin Gray
Kr (Germany) - Daniel Krieger (Worked @ SST Brüggemann GmbH/SST GmbH)
KR - KR (3) (Optimal Media Production / Optimal Media GmbH)
LE (UK) - Larry Emerine
LH (USA) - Lee Hulko (founded Sterling Sound in '68)
Loop-o (Germany) - Loop-o (Worked at Dubplates & Mastering)
LZ (Australia & USA) - Leon Zervos
ΔM (US - Masterdisk) - ΔM
ΔM (2) (US - Frankford/Wayne Recording Labs & Disc Makers) -
ΔM (2)
△M / ΔΛΛ (US) - Alan Moy
MA / MAX - Maxwell Anandappa
Mark / Mark ' Porky's (c. 1997) - Mark (76)
Mark (The Exchange - UK) - Mark Embleton
Matis Tony (Sweden) - Tony (173) (Worked @ AB Svensk Grammofonindustri
Matt / Matt's / Matt @ Alchemy (Porky's) - Matt Colton
△MB / ♢MB / π / Hovis (UK - Pye Mastering) - Mike Brown (3) (Pye Studios / CTS Studios)
McM / RM (USA - Capitol Mastering) - Ron McMaster
MELYS - Melvyn Abrahams / MELYS (2)
Miles / MS (UK) - Miles Showell
Mike (masterpiece) - Mike Palmer
Mikes's - Mike Marsh
MJ / Mick (UK) - Mike Jarratt
MJ (Finland) - Mika Jussila
MJR / M.J.R. / PCMJR (US) - Mark Richardson (3)
MK - Marko Kluge (2) (Optimal Media Production / Optimal Media GmbH / Sector 5 Studios)
MR (Australia) - Mike Roberts (14) (Festival & CBS Studios)
MS / Miles (UK) - Miles Showell
MW (UK) - Mike Walters
nc (Can look like "oc" or "jc") (Canada) - Neil Carter (3) (The Lacquer Channel Limited).
NEIL (masterpiece / Master Room) - Neil Devine
NW / Nickz / NICK W - Nick Webb
NILZ (The Exchange) - Nilesh Patel
NOEL / NS - Noel Summerville
P / P2A, P2B / Pi (Australia - Festival Studios) - Paul Ibbotson
PAG (Peter Lawrence: P.R. Records Limited, Adrenalin (4), Lyntone)- PAG
PA (US) - Phil Austin
Pauls (Pauls@Porkys) - Paul Solomons
PB - Paul Bryant (2)
PC (USA-Kendun) - Patrick Collins
PCMJR / MJR / M.J.R. (US) - Moodymann - Moodymann
Pecko / Porky / GEORGE - Porky (5) / George Peckham
Pedro - Pedro (102)
Pete @ Heathmans/Finyl Tweek - Pete Norman
Pete Helffrich (USA) - Pete Helffrich (Owner/Operator of Helffrich Recording Labs)
PF (Germany) - Günter Pfanz (Tonstudio Pfanz)
PHD (UK) - Peter Hewitt-Dutton (Metropolis Mastering)
Pi / P / P2A, P2B (Australia - Festival Studios) - Paul Ibbotson
PK - Paul Kendall
PN / Pete @ Tape To Tape/ Finyl Tweek - Pete Norman
Pounda - Pounda
PP (UK) - Phil Pigram (Worked @ Phonodisc Ltd. (until '81) / CTS Studios (until '86) / The Music Centre, Wembley / Master Room.
PR-CED (UK) - CED (21) (Metalworker at P.R. Records Limited)
PR-E (UK) - E (59) (Metalworker at P.R. Records Limited)
PR-G (UK) - G (55) (Metalworker at P.R. Records Limited)
PR-M (UK) - M (91) (Metalworker at P.R. Records Limited)
PR-P (UK) - P (29) (Metalworker at P.R. Records Limited)
PR-R (UK) - R (29) (Metalworker at P.R. Records Limited)
PR-T (UK) - T (60) (Metalworker at P.R. Records Limited)
PS - Geoff Pesche
RAYS / RAZEL - Ray Staff / RAZEL (2)
RC (USA-Kendun) - Rick Collins
RC / Ralpho (UK) - Ralph Copeman (Phonodisc Ltd. 1971-1979 / PRS Ltd. 1979-1983 / Tape One 1983-1990)
Rc (UK metalworker mid 80's) - Rc (17)
RC (UK - post 2015) - Rhys Crouch
RCE + MCR (USA) - Rick Essig
RJ / √ANOS - Ray Janos
RJL - Richard Langham
RL - Bob Ludwig
RME - Reiner Erhard
RM / McM (USA - Capitol Mastering) - Ron McMaster
Rob / RW (Australia) - Rob Wise (3)
Roger / Roger 007 / RWM / 웃 [With Halo] (UK) - Roger 007 Moore (Abbey Road Studios / West Indies Records (Barbados) Ltd. (1983-1996))
R SO (German) - Rico Sonderegger
RTB - Roy Thomas Baker
RW / Rob (Australia) - Rob Wise (3)
RW (UK Plating Engineer) - RW (8)
RWM / Roger 007 / Roger / 웃 [With Halo] (UK) - Roger 007 Moore (Abbey Road Studios / West Indies Records (Barbados) Ltd. (1983-1996))
S / I (Ⅰ) (Germany) - Gerhard Schulze (Worked @ TELDEC-Studio, Hamburg)
SA / S.A. (Trident ('78-'81) Utopia ('81-'88)) - Steve Angel
S.D. / SI / SD / SimonD - Simon Davey
SF - Sam Feldman (@ Bell Sound Studios & Atlantic Studios)
sh / MCA sh (USA) - Steve Hall
Shane / Sh@ne / SMC / CMS - Shane McEnhill
SI (masterpiece) - Simon Francis
Simon (eg The Exchange) (UK) - Simon Davey
SJR (US) - Stuart J. Romaine
SMC / Shane / SH@NE (UK) - Shane McEnhill
SR / SRZ - Steve Rooke
SR1 / SR2 (USA) - Stan Ricker
SST - SST (8)
Steve / Steve's (UK) - Steve Angel
Stu - Stuart Hawkes
SW (Ireland(?)) - SW (6) (Do Not Use)
T / △T / * / ◊T - Tony Bridge (EMI Studios ('61-'70) / Pye Studios ('70-'74 & '77-'80) / PRT Studios (1980-1984) / Master Room ('75-'76 & '84-'87))
TB - TB (3)
TC / Sterling TC / ¢ / ₵ / Ȼ - Tom Coyne
THT (Town House Tony) - Tony Cousins
TimD / TD / T.D. - Tim Dennen
timtom / TY / TY1 / TY2 - Tim Young
TJ - Ted Jensen
Tone - Tony Bridge
Tony / Matis Tony (Sweden) - Tony (173) (Worked @ AB Svensk Grammofonindustri)
TW - TW (5) (Optimal Media Production / Optimal Media GmbH)
TWIG - Martin Granville-Twig (@ Metropolis Mastering)
URA / - W (W2A, W2B - 'W' can appear as 'U') - Warren Barnett
W (W2A, W2B - 'W' can appear as 'U') / URA - Warren Barnett
Wally / Wally C (masterpiece) - Walter Coelho
Wally / Wly (USA - Capitol Mastering) - Wally Traugott
WES / WG / WG/NRP (USA) - Wes Garland
X / Cookie - Ian Cooper (worked at Utopia Studios & started The Town House)
Y.D. (French) - Yves Delaunay (worked @ Dyam)
-Z- / .Z. / 'Z' / Francis - Z (2) - Francis DeSouza
◇Z - ◇Z
Z P (Yogoslavia) - Zvonko Petrinec (worked at Jugoton - more engineers listed here)