 Laurent Ltd USA | 1 | |
| Leaf USA | 1 | |
| Lenox {20's} USA | 1 | 1924 |
| LenTex USA | 1 | |
| Leslie USA | 1 | 1949 |
| Liberty Broadcasting System USA | 1 | |
| Liberty [Martinsville, VA] USA | 1 | 1951 |
| Lightning [Houston] USA | 1 | 1955 |
| Lil' Pal USA | 1 | |
| Lindy USA | 1 | |
| Lissen USA | 1 | 1947 |
| Little Caesar USA | 1 | 1953 |
| Little Folks Favorites USA | 1 | |
| Little Masters USA | 1 | 1943 |
| Living Devotions USA | 1 | |
| Lloyd's USA | 1 | 1954 |
| Locada USA | 1 | 1952 |
| Loma USA | 1 | 1955 |
| Lone Star USA | 1 | 1947 |
| Longhorn [San Antonio. TX] USA | 1 | |
| Loop USA | 1 | 1949 |
| Lotus USA | 1 | |
| Lubbock Conquerers USA | 1 | 1950 |
| Lucky [Kentucky] USA | 1 | 1954 |
| Lucky [Ohio] USA | 1 | 1948 |
| Luna USA | 1 | 1954 |
| Lyon & Healy USA | 1 | 1925 |
| M & S USA | 1 | 1958 |
| M.J.C. USA | 1 | 1958 |
| Ma An' Pa Say USA | 1 | |
| Mac-Levin USA | 1 | 1923 |
| Mack USA | 1 | 1954 |
| Macksoud USA | 1 | |
| Madonna USA | 1 | |
| Maestro USA | 1 | |
| Maestro Music USA | 1 | 1944 |
| Maestro [Indiana] USA | 1 | |
| Magic USA | 1 | 1940 |
| Magic Talking Books USA | 1 | 1955 |
| Magnet USA | 1 | 1953 |
| Magnolia [4 Star OP] USA | 1 | 1951 |
| Main Line [Phila] USA | 1 | 1957 |
| Majestic Phonograph USA | 1 | 1916 |
| Major {Los Angeles, CA.} USA | 1 | |
| Make Believe Ballroom USA | 1 | 1941 |
| Mandel USA | 1 | 1921 |
| Marble USA | 1 | 1955 |
| Marin County Chapter SPEBSQSA USA | 1 | |
| Marlen USA | 1 | |
| Marlow USA | 1 | 1950 |
| Marquee USA | 1 | 1955 |
| Marterry USA | 1 | 1956 |
| Martin And Morris USA | 1 | |
| Martin [Chicago, IL] USA | 1 | |
| Marvel [Tulsa, OK] USA | 1 | |
| Mason USA | 1 | |
| Mason's USA | 1 | 1958 |
| Massey USA | 1 | 1949 |
| Master Recorders USA | 1 | 1954 |
| Mastercraft USA | 1 | |
| Masterpieces Of Music USA | 1 | 1940 |
| Mastertone [New York, NY] USA | 1 | 1957 |
| Mattel USA | 1 | 1968 |
| Maverick USA | 1 | |
| Max Raney USA | 1 | |
| Max [4 Star] USA | 1 | |
| MCI USA | 1 | 1956 |
| Mecca USA | 1 | 1949 |
| Mel-O-Tone USA | 1 | |
| Mello-Tone USA | 1 | |
| Melodograph USA | 1 | 1916 |
| Melody Corral USA | 1 | 1951 |
| Melody Guy Music Company USA | 1 | 1953 |
| Melotone Recording Studio USA | 1 | 1940 |
| Memphis Recording Service USA | 1 | 1953 |
| Menlo College USA | 1 | 1951 |
| Mercury Sound Books USA | 1 | 1954 |
| Merion USA | 1 | 1951 |
| Merit [New York, N.Y.] USA | 1 | 1952 |
| Meritone USA | 1 | |
| Merry-Go-Sound USA | 1 | 1947 |
| Messiah Sacred USA | 1 | 1923 |
| Meteor [Chicago, Ill.] USA | 1 | 1952 |
| Metro USA | 1 | 1948 |
| Metro Hollywood USA | 1 | 1948 |
| MGM [1920s] USA | 1 | 1929 |
| Middle-Tone USA | 1 | 1951 |
| Midwestern Hayride Hits USA | 1 | |
| Mil-Jim USA | 1 | |
| Mimosa USA | 1 | |
| Mims USA | 1 | |
| Minnesota Valley Canning Company USA | 1 | 1949 |
| Mir USA | 1 | 1949 |
| Mississippi [Starday Custom] USA | 1 | 1955 |
| Mode USA | 1 | 1952 |
| Model USA | 1 | |
| Monsanto Chemical Company USA | 1 | 1953 |
| Mood USA | 1 | 1953 |
| Mooseheart USA | 1 | 1923 |
| Morris-Lee USA | 1 | 1944 |
| Mos-Rite USA | 1 | 1956 |
| Moser Tone USA | 1 | |
| Mouldie Fygge USA | 1 | |
| Mountain USA | 1 | 1956 |
| Mouseketeer TV USA | 1 | 1953 |
| Movieland Record Co. USA | 1 | |
| Moxie USA | 1 | 1921 |
| MSNC USA | 1 | |
| Mummers USA | 1 | |
| Music Art USA | 1 | 1948 |
| Music Box USA | 1 | 1925 |
| Music Makers USA | 1 | |
| Music-Mart USA | 1 | |
| Musica USA | 1 | |
| Musical Harts USA | 1 | |
| Musicolor USA | 1 | |
| Mustang USA | 1 | |
| Muzak USA | 1 | |
| N.B.C. USA | 1 | 1953 |
| N.G.N USA | 1 | |
| Nanette Guilford Productions USA | 1 | 1954 |
| National Records USA | 1 | |
| National Robe And Book Co. USA | 1 | |
| National [1900's] USA | 1 | 1904 |
| Natural [NYC] USA | 1 | 1948 |
| Natural [Visalia, CA.] USA | 1 | 1950 |
| Nav USA | 1 | |
| NBC Reference Recording USA | 1 | 1959 |
| Neophone USA | 1 | |
| Neptune USA | 1 | |
| Nero USA | 1 | |
| Network USA | 1 | 1955 |
| New Comfort USA | 1 | 1921 |
| New Orleans USA | 1 | 1950 |
| New Orleans Bandwagon USA | 1 | 1951 |
| New Tunes USA | 1 | |
| New York USA | 1 | |
| New York Audio Disc USA | 1 | |
| Newzette USA | 1 | 1955 |
| Nickel USA | 1 | |
| Nickelodeon [Detroit] USA | 1 | 1953 |
| Nittany Recording Company USA | 1 | |
| Nocturne USA | 1 | 1957 |
| Nocturne [Hollywood] USA | 1 | 1954 |
| NORAD USA | 1 | |
| North Shore Music And Appliance Co. USA | 1 | 1947 |
| North-American USA | 1 | |
| Novelty USA | 1 | 1959 |
| Novelty [1930s] USA | 1 | 1936 |
| Novelty [Eneryville, Calif.] USA | 1 | 1956 |
| NRC USA | 1 | 1958 |
| Nu-Tune USA | 1 | |
| Nugget (Michigan) USA | 1 | 1950 |
| O And W USA | 1 | 1949 |
| Oak USA | 1 | |
| Obmoc USA | 1 | |
| Odessa USA | 1 | 1960 |
| Odeum USA | 1 | 1954 |
| Okaw USA | 1 | 1950 |
| Old Cabin Co. USA | 1 | 1933 |
| Old Fashioned Revival Hour Quartet USA | 1 | |
| Old Ned USA | 1 | |
| Old Smoky USA | 1 | |
| Old Time Play Party USA | 1 | |
| Ollit USA | 1 | 1953 |
| Omega USA | 1 | 1951 |
| Onyx [Sugar Tones] USA | 1 | 1951 |
| Oral Roberts USA | 1 | 1957 |
| Orbit USA | 1 | |
| Orchid USA | 1 | 1952 |
| Oriental Record Co. USA | 1 | |
| Oslo USA | 1 | |
| Otto K. Olesen Recording Studios USA | 1 | |
| Owen Fallon USA | 1 | 1929 |
| Owl [Fort Worth, TX] USA | 1 | |
| PAB USA | 1 | 1952 |
| Pabst Blue Ribbon Record USA | 1 | |
| Pacific [4 Star OP] USA | 1 | 1952 |
| Palmetto USA | 1 | 1953 |
| Pampa USA | 1 | |
| Par USA | 1 | 1952 |
| Paramont USA | 1 | |
| Paramount Radio Recording USA | 1 | 1946 |
| Parlay USA | 1 | 1950 |
| Parody USA | 1 | 1949 |
| Party Novelty's USA | 1 | |
| Pastel USA | 1 | |
| Patio USA | 1 | 1956 |
| Peach State USA | 1 | 1951 |
| Peaka USA | 1 | |
| Pennant [Alabama] USA | 1 | 1955 |
| Pepsi-Cola USA | 1 | 1940 |
| Perfect [1990’s] USA | 1 | 1996 |
| Perfection USA | 1 | 1926 |
| Personal Choice USA | 1 | 1957 |
| Personal Recording [Brunswick] USA | 1 | 1932 |
| Personality [Los Angeles] USA | 1 | 1958 |
| Perspective USA | 1 | 1954 |
| Pet Center USA | 1 | 1954 |
| Pete Pike USA | 1 | 1954 |
USA