M7 Records - OZ
Mab-Jab Records - 2 - 45s - (Dec-2017) NEW
Mac Gregor Records - (Dec-2017) NEW
 Macho Records - 14 - 45s, 4 labels? - (Dec-2017) NEW
 Mack IV Records - 14 - 45s - (Dec-2017) NEW
 Mad Records - 28 - 45s - (Dec-2017) NEW
 Madella Records - 5- 45s - (Dec-2017) NEW
 Mader D Records - (King Solomon) - 4 - 45s - (Dec-2017) NEW
 Madison Records
Madley Records - 3 - 45s - (Dec-2017) NEW
Magenta Records - early 60's label, 6 - 45s - (Dec-2017) NEW
 Magic Circle Records - 7 - 45s - (Dec-2017) NEW
 Magic City Records - late 60's label, 11 - 45s - (Dec-2017) NEW
 Magna Records - (The Standards) - 60's label, 4 - 45s - (Dec-2017) NEW
 Magna Glide Records - 7 - 45s - (Dec-2017) NEW
 Magnet Records
Magnet Records - OZ - also see Festival Records "main K series"
Magnet Records - 13 - 45s, multiple labels - US - (Dec-2017) NEW
Magnifico Records - small Mamaroneck, NY label
Magnitude Records - 2 - 45s - (Dec-2017) NEW
 Magnum Records - 42 - 45s, 3 labels - (Dec-2017) NEW
 Mah's/Exit Records (Mike Alonzo Hanks) - small Detroit label
Mail Call Records - early 60's label, 5 - 45s - (Dec-2017) NEW
 Mainstream Records
Mainstream Records - OZ - also see Festival Records "main K series"
 Mainstream Records - US - mostly Jazz
Mainstreet Records
 Maison de Soul Records - Ville Platte, LA label, 62 - 45s - (Dec-2017) NEW
 Majar Records - mid 50's New York City label, 18 - 45s - (Dec-2017) NEW
 Major Records - 38 - 45s, 1 - LP, multiple labels - (Dec-2017) NEW
 Major Minor Records - UK
Mala Records
Mali Records - early 60's label, 2 - 45s - (Dec-2017) NEW
 Malibu Records - early 60's Philadelphia, PA label, 9 - 45s - (Dec-2017) NEW
 Malinda Records - 5 - 45s - (Dec-2017) NEW
 Mallard Records - 60's label, 6 - 45s - (Dec-2017) NEW
 Maltese Records - subsidiary of Golden World Records
Malvern Records - 8 - 45s, 2 labels? - (Dec-2017) NEW
 Malynn Enterprises, Inc.
Malynn Records - 4 - 45s - (Dec-2017) NEW
Money Records - 100 series distributed by Malynn Enterprises, Inc.
Pure Soul Music - distributed by Malynn Enterprises, Inc.
MAM Records - UK - distributed by Decca Records (Management Agency & Music Ltd.)
Mammoth Records - 4 - 45s - (Dec-2017) NEW
 Manchester Records - 3 - 45s - (Nov-2017) NEW
 Manco Records
Mango Records - division of Island Records
Mantra Records - (Disraeli) - 5 - 45s - (Dec-2017) NEW
Map City Records
Maple Records - 4 - 45s - (Dec-2017) NEW
Marathon Records - 19 - 45s - (Dec-2017) NEW
Marbone Records - 4 - 45s, 2 labels - (Dec-2017) NEW
Marc Records - subsidiary of Titan Records
Marco Records - small New York City label
Marconn Records - 1 - 45 - (Dec-2017) NEW
Margaret Records - Chicago, IL label, 5 - 45s - (Dec-2017) NEW
 Maria Records - 7 - 45s - (Dec-2017) NEW
 Maridene Records - 10 - 45s - (Dec-2017) NEW
Marie Records - early 60s label, 2 reissue 45s - (Dec-2017) NEW
Marina Records - subsidiary of M-G-M Records - eight records
Mariteen Records - 7 - 45s - (Dec-2017) NEW
 Mark Records - these labels are not related to each other
Mark Records - mostly late 50's Utica, NY label, 53 - 45s - (Dec-2017) NEW
 Mark II Records  - 1967 Hollywood, CA label - 3 - 45s - (Dec-2017) NEW
 Mark III Records - mid 60's label, 2 - 45s - (Dec-2017) NEW
Mark IV Records - 18 - 45s, multiple labels - (Dec-2017) NEW
 Mark 56 Records - (George Garabedian) - 31 - 45s - (Dec-2017) NEW
 Mark-X Records
Markay Records - 1962 label, 7 - 45s - (Dec-2017) NEW
 Markie III Records - mid 60's label, 13 - 45s - (Dec-2017) NEW
Mark/Mark Ltd. Records - mid 60's label, 12 - 45s - (Dec-2017) NEW
Marlee Records - 9 - 45s, 2 labels? - (Dec-2017) NEW
Marlu Records - 7 - 45s, 2 labels? - (Dec-2017) NEW
 Marmalade Records - 4 - 45s - (Dec-2017) NEW
 Mar-Mar Records - mid 60's label, 2 - 45s - (Dec-2017) NEW
 Marquee Records - 18 - 45s, multiple labels - (Dec-2017) NEW
 Marquette Records - 3 - 45s - (Dec-2017) NEW
 Mars Records - mostly early 50's label, 14 - Woody Herman 45s - (Dec-2017) NEW
 Marsh Records - early 60's Los Angeles, CA label, 6 - 45s - (Dec-2017) NEW
 Marshall Records - 50's Baltimore, MD label, 3 - 45s - (Dec-2017) NEW
Mart Records - 7 - 45s, 3 labels - (Dec-2017) NEW
 M-A-R-T-A Records - 2 - 45s - (Dec-2017) NEW
 Martay Records - 6 - 45s, 2 labels - (Dec-2017) NEW
 Marterry Records - mid 50's Chicago, IL label, 2 - 45, 1 - LP- (Dec-2017) NEW
 Marti Records - 3 - 45s - (Dec-2017) NEW
 Marton Records - 2 - 45s - (Dec-2017) NEW
 Marvello Records - 10 - 45s - (Dec-2017) NEW
 Mar-V-Lus Records
Mary Jane Records - late 60's Detroit, MI label, 12 - 45s - (Dec-2017) NEW
 Mascot Records - 29 - 45s - (Dec-2017) NEW
 Maske Records - early 60's label, 9 - 45s - (Dec-2017) NEW
 Mason Records - 9 - 45s, 1 - EP, 2 labels - (Dec-2017) NEW
 Master Records - 11 - 78s, 18 - 45s, multiple labels - (Dec-2017) NEW
 Master Five Records  - (Baby Washington) - 13 - 45s - (Dec-2017) NEW
 Mastersound Records - 6 - 45s, 3 labels - (Dec-2017) NEW
 Master-Trak Records - 37 - 45s - (Dec-2017) NEW
 Matador Records - very small label
Matt Records - 3 - 45s - (Dec-2017) NEW
 Mattel, Inc. Records - 2 - 45s - (Dec-2017) NEW
 Maudz Records - (Affection Collection) - 6 - 45s - (Dec-2017) NEW
 Maunay Records - Portales, NM label, 6 - 45s - (Dec-2017) NEW
 Maurci Records - (Simtec Simmons) - 14 - 45s - (Dec-2017) NEW
 Maureen Records - early 60's Detroit, MI label - 4 - 45s - (Dec-2017) NEW
 Maverick Records - 22 - 45, 3+ labels? - (Dec-2017) NEW
 Mavis Records - Grand Rapids, MI label, 2 - 45s - (Dec-2017) NEW
 Maxi Records - (The Velons) - 5 - 45s - (Dec-2017) NEW
 Max's Kansas City Records - 3 - 45s - (Dec-2017) NEW
 Maxwell Records - 11 - 45s, 3 labels - (Dec-2017) NEW
 Maxx Records
May Records - (Dec-2017) UPDATED
Mayan Records - (Sid Starr) - 5 - 45s - (Dec-2017) NEW
 Maycon Records - (Earl Connelly) - 15 - 45s - (Dec-2017) NEW
 May Day Records - (Sir Mack Rice) - 3 - 45s - (Dec-2017) NEW
 Mayfield Records - 9 - 45s - (Dec-2017) NEW
 Mayhams Records (Norris B. Mayhams) - 14 - 45s - (Dec-2017) NEW
 Maypole Records - 6 - 45s - (Dec-2017) NEW
 Maze Records - mid 50's Hollywood, CA label, 12 - 45s - (Dec-2017) NEW
 Mazel X-Press Records - 2 - 45s - (Dec-2017) NEW
 Mazica Records - mid 50's Miami, FL label, 2 - 45s - (Dec-2017) NEW
 M B Records - 7 - 45s - (Dec-2017) NEW
 MBI Records (Mike Boyd) - 3 - 45s - (Dec-2017) NEW
 MBK Records - 2 - 45s - (Dec-2017) NEW
 MBM Records - subsidiary of M-G-M Records - one record
MCA Records
MCA Records - OZ
 MCA Records - US
Ollie McLaughlin labels (Detroit)
Carla Records, named after one of his daughters
 Carla/Karen Records 700 series
 Karen Records, named after one of his daughters
 Moira Records, named after one of his daughters
 Ruth Records, named after his wife
MDJ Records - 19 - 45s, 2+ labels - (Dec-2017) NEW
 Mean Mountain Records - 9 - 45s - (Dec-2017) NEW
 Mecca Records - 14 - 45s, 4+ labels? - (Dec-2017) NEW
 Medallion Records - 17 - 45s, 4 labels - (Dec-2017) NEW
 Megaphone Records - 6 - 45s - (Dec-2017) NEW
 Melatone Records - 6 - 45s, 2 labels - (Dec-2017) NEW
 Melba Records - updated ???
Melker Records - early 60's label, 4 - 45s - (Dec-2017) NEW
 Mello Records - 7 - 45s, 3 labels - (Dec-2017) NEW
 Mel-Lon Records - 8 - 45s - (Dec-2017) NEW
 Mellow Records - late 60's label, 10 - 45s - (Dec-2017) NEW
 Melmar Records - mid 50's label, 10 - 45s - (Dec-2017) NEW
 Mel-O Records - 4 - 45s, 2 labels? - (Dec-2017) NEW
 Mel-O-Dy Records - subsidiary of Motown Records
Melody Dawn Records - (Brenda Coe) - 4 - 45s - (Dec-2017) NEW
 Melody Hill Records - 4 - 45s, 2 labels? - (Dec-2017) NEW
 Melody House Records -1962 San Bernardino, CA label - 1 - 45 - (Dec-2017) NEW
 Melodyland/Hitsville Records - subsidiary of Motown Records
Melody Trail Records - 1 - 78, 5 - 45s - (Dec-2017) NEW
 Mel-Par Records - 4 - 45s - (Dec-2017) NEW
 Melron Records - mid 60's Philadelphia, PA label, 24 - 45s - (Dec-2017) NEW
 Melrose Records - mid 40's Brooklyn, NY label, 4 - 78s - (Dec-2017) NEW
 Memo Records - 9 - 78s, 14 - 45s, multiple labels - (Dec-2017) NEW
 Memphis Records - 21 - 45s, 3+ labels? - (Dec-2017) NEW
 Menard Records - (Publio and The Valiants) - 3 - 45s - (Dec-2017) NEW
 Mentor Records - 2 - 45s - (Dec-2017) NEW
 Me-O Records - mid 60's label, 4 - 45s - (Dec-2017) NEW
 Merben Records - 4 - 45s - (Dec-2017) NEW
 Mercer Records - 26 - 45s, 2 - LPs - (Dec-2017) NEW
 Mercury Records
Mercury Records - OZ
Wing Records - OZ - subsidiary of Mercury Records
Mercury Records - US
Blue Rock Records - subsidiary of Mercury Records
 Limelight Records - subsidiary of Mercury Records
Smash Records - subsidiary of Mercury Records
 Wing Records - US - subsidiary of Mercury Records
Merit Records - 15 - 45s, 3 labels - (Dec-2017) NEW
 Merlene Records - 50's Abilene, TX label, 8 - 45s - (Dec-2017) NEW
 Merlin/MGM Records - subsidiary of M-G-M Records - one record
Mermaid Records - early 60's New York City label, 7 - 45s - (Dec-2017) UPDATED
Merph Records - 2 - 45s - (Dec-2017) NEW
 Merri Records - 22 - 45s, 3 labels? - (Dec-2017) NEW
 Merrilinn/Merrilynn Records - 6 - 45s - (Dec-2017) NEW
 Merritt Records - 3 - 45s - (Dec-2017) NEW
 Merry-Go-Round Records - mid 60's New York City label, 6 - 45s - (Dec-2017) NEW
 Mersey Records - 2 - 45s - (Dec-2017) NEW
 Mertis Records - 4 - gospel 45s - (Dec-2017) NEW
 Mesa Records - 12 - 45s - (Dec-2017) NEW
 Message Records - 4 - 45s, 2 labels, one is gospel - (Dec-2017) NEW
 Meteor Records
Metro Records - subsidiary of M-G-M Records 20000 series
Metrobeat Records
 Metro International Records - 3 - 45s - (Dec-2017) NEW
 Metromedia Records
Metromedia Records - OZ - also see Festival Records "main K series"
Metromedia Records - US
Metronome Records - OZ - very small (3) label
Metro Video Records - (Velvet Illusions) - 3 - 45s - (Dec-2017) NEW
 Metzger Records - (The Orchids) - 2 - 45s - (Dec-2017) NEW
 M-G-M Records
M-G-M Records - OZ
M-G-M Records - UK
M-G-M Records - US
M-G-M Records EPs
M-G-M Records KGC (Golden Circle) reissue series
 M-G-M Records MVG (Band of Gold) reissue series
Aim Records - distributed by M-G-M Records - one record
American International Records - some distributed by M-G-M Records
Amaret Records - last third distributed by M-G-M Records
Attarack Records - distributed by M-G-M Records - five records
 Barnaby Records 5000 series - distributed by M-G-M Records
Blue Valley Records - subsidiary of M-G-M Records - five records
Cameo Records 2000 series - distributed by M-G-M Records - four records
Charter Records - some distributed by M-G-M Records - fourteen records
CoBurt Records - distributed by M-G-M Records - nine records
 Cub Records - subsidiary of M-G-M Records
DCP Records (Don Costa Presents) - four records distributed by M-G-M Records
Flick Disc Records - distributed by M-G-M Records
Heritage Records - subsidiary of M-G-M Records
Hickory/MGM Records - distributed by M-G-M Records
Highway Records - distributed by M-G-M Records - five records
Kama Sutra Records - subsidiary of M-G-M Records
Jolly Rogers Records - distributed by M-G-M Records - seven records
Lamb & Lion Records - subsidiary of M-G-M Records
Lion Records - subsidiary of M-G-M Records
Lionel Records - distributed by M-G-M Records
Marina Records - subsidiary of M-G-M Records - eight records
MBM Records - subsidiary of M-G-M Records - one record
Merlin/MGM Records - distributed by M-G-M Records - one record
 Metro Records - subsidiary of M-G-M Records
MGM/Griffin Records - subsidiary of M-G-M Records - ten records
 MGM South Records - subsidiary of M-G-M Records
 Music Factory Records - subsidiary of M-G-M Records
Palette Records - distributed by M-G-M Records
Poppy Records - subsidiary of M-G-M Records - nine records
Pride Records - subsidiary of M-G-M Records mostly
Quad Records - distributed by M-G-M Records - twelve records
Rocky Ridge Records - subsidiary of M-G-M Records
Romar Records - distributed by M-G-M Records
Sounds of Memphis Records - subsidiary of M-G-M Records
Spring Records - subsidiary of M-G-M Records
Stormy Forest Records - distributed by M-G-M Records
Sunflower Records - distributed by M-G-M Records
Vando Records (Van McCoy) - distributed by M-G-M Records
Verve Records - subsidiary of M-G-M Records
Way Out Records - some distributed by M-G-M Records
MGM/Griffin Records - subsidiary of M-G-M Record - Merv Griffin - ten records
MGM South Records - subsidiary of M-G-M Records
Mica Records - 6 - 45s, 2 labels? - (Dec-2017) NEW
 Mickay's/Kable Records - (J.J. Barnes) - 22 - 45s - (Dec-2017) NEW
 Mida Records
Midas Records - 23 - 45s, 3 labels? - (Dec-2017) NEW
 Middle-Tone Records - 13 - 45s - (Dec-2017) NEW
 Midgard Records - 3 - 45s - (Dec-2017) NEW
 Midnight Sun Records - Nashville, TN label (Shelby Singleton) - 2 - 45s - (Dec-2017) NEW
 Midtown Records - 15 - 45s - (Dec-2017) NEW
 Mighty/Power Records - New York City label, 6 - 45s - (Dec-2017) NEW
 Miiji Records - 4 - 45s - (Dec-2017) NEW
 Mike Records - small New York City label
Mikesell Records see Christy Records
Milestone Records
Minit Records - division of Liberty Records
Milkyway Records - Danville, IL label, 11 - 45s - (Dec-2017) NEW
 Millage Records - 8 - 45s - (Dec-2017) NEW
 Mill City Records - 2 - 45s - (Dec-2017) NEW
 Miller Records (The Miller Sisters) - 1959-1960 label, 4 - 45s - (Dec-2017) NEW
 Million Dollar Records - 20 - 45s - (Dec-2017) NEW
 Milo Records - Harrison, NJ label, 14 - 45s - (Dec-2017) NEW
 Mil-Smi Records - 4 - 45s - (Dec-2017) NEW
 Mindy Records - 2 - 45s - (Dec-2017) NEW
 Minuteman Records - small Boston, MA label
Mira Records
Miracle Records - subsidiary of Motown Records
Mir-A-Don Records - mid 60's label, 6 - 45s - (Dec-2017) NEW
 Miramar Records - 13 - 45s, 2 labels? - (Dec-2017) NEW
 Mirasonic Records - 6 - 45s - (Dec-2017) NEW
 Mirror Records - 2 - 78s, 5 - 45s, 3 labels - (Dec-2017) NEW
 Mirwood Records
Mishawaka Records - 12 - 45s - (Dec-2017) NEW
Miss Records - 7 - 45s, 4 are gospel - (Dec-2017) NEW
Miss Butch Records - 16 - 45s, 2 - CDs - (Dec-2017) NEW
 Missile Records - 10 - 45s, 2 labels? - (Dec-2017) NEW
 Mist Records - 3 - 45s - (Dec-2017) NEW
 Mister Genius Records - 2 - 45s - (Dec-2017) NEW
 Mistletoe Records - 8 - Christmas 45s - (Dec-2017) NEW
 M & J Records - 5 - 45s - (Dec-2017) NEW
 M&L Records - 7 - 45s - (Dec-2017) NEW
 M&M Records - 10 - 45s, 4 labels? - (Dec-2017) NEW
 Moa Records - 8 - 45s - (Dec-2017) NEW
 Mobie Records - late 60s label, 11 - 45s - (Dec-2017) NEW
 Mobile Fidelity Records - early 60s label, 4 - 45s - (Dec-2017) NEW
 M.O.C. Records - subsidiary of Hi Records
Mockingbird Records - 11 - 45s - (Dec-2017) NEW
 Mode Records - 8 - 45s, 1 - LP, 2 labels - (Dec-2017) NEW
 Modern Records
Modern Oldies Records - reissues from Modern and Kent
Modern Sound Records - late 50's label, 13 - 45s - (Dec-2017) NEW
 Mo Do Records - 27 - 45s, 2 labels - (Dec-2017) NEW
 Mohawk Records - New York City label
Moira Records - Ollie McLaughlin (Detroit) label
Mojo Records - 14 - 45s, 3 labels? - (Dec-2017) NEW
 Mol Records - 3 - 45s - (Dec-2017) NEW
 Molly Jo Records - 4 - 45s - (Dec-2017) NEW
 Mona-Lee Records - 11 - 45s, 2 labels? - (Dec-2017) NEW
 Monarch Records - 4 - 78s, 4 - 45s, 3 - LPs, 3 labels? - (Dec-2017) NEW
Mon'ca Records - 6 - 45s, 2 labels - (Dec-2017) NEW
 Money Records
Moneytown Records - 6 - 45s, 2 labels - (Dec-2017) NEW
 Mono Records - 12 - 45s - (Dec-2017) NEW
 Monocle Records - late 50's New York City label, 4 - 45s - (Dec-2017) NEW
 Monogram Records
Monster Records - 3 - 45s - (Dec-2017) NEW
 Montclare Records - 10 - 45s, 3 labels? - (Dec-2017) NEW
Monte Records - 2 - 45s - (Dec-2017) NEW
Monte Carlo Records - 11 - 45s, 2 labels - (Dec-2017) NEW
 Monument Records
Monument Records - OZ - also see Festival Records "main K series"
Monument Records - UK
 Monument Records - US
Monumental Records - late 50's-early 60's label?, 10 - 45s - (Dec-2017) NEW
 Monza Records - 60's labels, 4 - 45s - (Dec-2017) NEW
 Mood Records - 27 - 45s, 2 labels - (Dec-2017) NEW
 Moonglow Records - distributed by ATCO Records
 Moonshine Records - 27 - 45s - (Dec-2017) NEW
Moonsong Records - (Bill Brandon) - 1972 Birmingham, AL label - 5 - 45s  - (Dec-2017) NEW
 Moontide Records - 80's Las Vegas, NV label, 9 - 45s - (Dec-2017) NEW
 Mopress Records - 3 - 45s - (Dec-2017) NEW
 Mora Records - 2 - 45s - (Dec-2017) NEW
 Morgan Records - 12 - 45s, 3 labels - (Dec-2017) NEW
 Morgan Creek Records - (Shelby Lynne) - 2 - 45s - (Dec-2017) NEW
 Morgil Records (Mort Gilbert) - 5 - 45s - (Dec-2017) NEW
 Morning Glory Records - 80's label, 8 - 45s - (Dec-2017) NEW
 Morning Sky Records - (Fools Gold) - 2 - 45s - (Dec-2017) NEW
 Morocco Records - 7 - 45s, 1 - LP, 3 labels - (Dec-2017) NEW
 Morrhythm Records - (mostly Tony Rizzi and Pacific) - 7 - 45s - (Dec-2017) NEW
 Mortician Records - (The Morticians) - 3 - 45s - (Dec-2017) NEW
 Mor-Tones Records - (Aged in Harmony) - 4 - 45s, 2 labels? - (Dec-2017) NEW
 Mosoul Records - 6 - 45s, 3 labels? - (Dec-2017) NEW
 Mosrite Records - 29 - 45s - (Dec-2017) NEW
 M-O-S-S Records (Mutually Owned Society of Songwriters) - late 50's label, 2 - 45s - (Dec-2017) NEW
 Mothers Records - 11 - 45s - (Dec-2017) NEW
 Motif Records - 13 - 45, 1 - LP, 3 labels? - (Dec-2017) NEW
 Motion Records - 2 - 45s - (Dec-2017) NEW
 Motown Records
Motown Records - US
Black Forum - subsidiary of Motown Records
 Chisa Records - 8000 series distributed by Motown
 Divinity Records - small Gospel subsidiary of Motown
 Ecology Records - distributed by Motown Records
 Gordy Records - subsidiary of Motown Records
 HOB Records (House Of Beauty) - Gospel subsidiary of Motown
 Inferno Records - distributed by Motown Records
 Mel-O-Dy Records - subsidiary of Motown Records
 Melodyland/Hitsville - Country subsidiary of Motown
 Miracle Records - subsidiary of Motown Records
 Mowest Records - subsidiary of Motown Records
 Rare Earth Records - subsidiary of Motown Records
 Soul Records - subsidiary of Motown Records
 Tamla Records - subsidiary of Motown Records
 Topps/Motown Records - cardboard records
 V.I.P. Records - subsidiary of Motown Records
 Workshop Jazz Records - subsidiary of Motown
Tamla Motown Records - OZ TMO series
Tamla Motown Records - OZ - EP series
Tamla Motown Records - UK TMG series
Mountain Records - 8 - 45s, ? labels - (Dec-2017) NEW
 Mowest Records - subsidiary of Motown Records
Moxie Records - 8 - 45s - (Dec-2017) NEW
 MPA Records - 2 - 45s - (Dec-2017) NEW
 MPB Records - 4 - 45s - (Dec-2017) NEW
 M-Pac Records
Mpingo Records - Nashville, TN label, 4 - 45s - (Dec-2017) NEW
 Mr. Records - 3 - 45s, 2 - EPs - (Dec-2017) NEW
 Mr. Big Records - (Little Tom & The Valentines) - early 60's label, 2 - 45s - (Dec-2017) NEW
 Mr. G Records
Mr. G Records - OZ - only one issued GK-2573 see Festival Records "main K series"
 Mr. G Records - US - New York City label
Mister Genius Records - 2 - 45s - (Dec-2017) NEW
 Mr. Maestro Records - 11 - 45s, 2 labels? - (Dec-2017) NEW
 Mr. Music Records - 11 - 45s - (Dec-2017) NEW
 Mr. Peacock/Mr. Peeke Records
MRC Records - 56 - 45s - (Dec-2017) NEW
 M-S/MSK Records - (Dec-2017) NEW
 MSA Records - (Darrell Felts) - 2 - 45s - (Dec-2017) NEW
 Ms. B Records - (Betty Wright) - 5 - 45s - (Dec-2017) NEW
 MSR Records - 11 - 45s, 2 labels - (Dec-2017) NEW
 MT Records - 9 - 45s, 2 labels - (Dec-2017) NEW
 MTA Records
Mu Records - (Mu) - Los Angeles, CA label, 3 - 45s - (Dec-2017) NEW
 Munich Records - 1959 New York City label, 3 - 45s - (Dec-2017) NEW
 Mun-Rab Records - 1959 Hollywood, CA label, 5 - 45s - (Dec-2017) NEW
 Murbo Records - New York label
Muriel Records - 3 - 45s - (Dec-2017) NEW
 Muscle Records - 6 - 45s - (Dec-2017) NEW
 Muscle Shoals Records - 14 - 45s, 2 labels? - (Dec-2017) NEW
 Musette Records - 9 - 45s, 2 labels? - (Dec-2017) NEW
 Mushroom Productions - OZ - see RCA Records
Mushroom Records - OZ - also see Festival Records "main K series"
 Music Center Records - 5 - 45s - (Dec-2017) NEW
 Music Factory Records - subsidiary of M-G-M Records
Music-Go-Round Records - 5 - 45s, 2 labels? - (Dec-2017) NEW
 Music Makers Records - small New York City label
Music Merchant Records - Holland-Dozier-Holland label after Motown
 Music Now Records - see De-To/Music Now Records - (Apr-2018) NEW
 Music Of America Records - 18 - 45s - (Dec-2017) NEW
 Music Voice Records - mid 60's label, 4 - 45s - (Dec-2017) NEW
 Music World Records - 60's label, 9 - 45s - (Dec-2017) NEW
 Musicanza Records - Forest Hill, NY label, 6 - 45s - (Dec-2017) NEW
 Musicor Records
Musicor Records - OZ - also see Festival Records "main K series"
 Musicor Records - US
Musicor New Talent series
Musicnote Records - 60's label, 36 - 45s - (Dec-2017) NEW
 Musico Records - 23 - polka 45s - (Dec-2017) NEW
 Musicode Records - 10 - 45s, 2 labels? - (Dec-2017) NEW
 Musidisc Records - late 50's New York City label, 4 - 45s, 1 LP - (Dec-2017) NEW
 Musikon Records - Los Angeles, CA label, 3 - 45s - (Dec-2017) NEW
 Musiplex Records - 3 - 45s - (Dec-2017) NEW
 Mustang Records - subsidiary of Del-Fi Records
Mutt Records - 14 - 45s - (Dec-2017) NEW
 Mutt & Jeff Records - 14 - 45s - (Dec-2017) NEW
 Mutual Records - 1 -78, 19 - 45s, 4 labels? - (Dec-2017) NEW
 Myrtle Records - (Darlene Austin) - 4 - 45s - (Dec-2017) NEW
 Myskatonic Records - (The Flys) - 2 - 45s - (Dec-2017) NEW
 Mystery Records - 4 - 45s, 2 labels - (Dec-2017) NEW
 My Time Records - 3 - 45s - (Dec-2017) NEW
 MZ Records - early 60's label, 4 - 45s - (Dec-2017) NEW

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