| Manufacturer | Four-Digit Brand Code | Three-Digit Set Code |
| MTec | | 300, 060 |
| Madison | | 065 |
| Magnadyne | 0461 | 115, 130, 275, 544, 572 |
| Magnafon | 0462 | 544, 241, 104, 130, 342 |
| Manesth | 0467 | 065, 263, 245, 292, 348 |
| Marantz | 0128 | 065, 584 |
| Marelli | 0471 | 115 |
| Mark | 0472 | 065, 037, 402, 245, 244 |
| Masuda | | 246 |
| Matsui | 0477 | 263, 205, 037, 383, 471, 039, 100, 065, 515, 239, 245, 382, 322, 461, 300, 607, 544, 399, 063, 297, 498, 391, 459, 103, 219, 061, 363, 285, 584, 064, 236, 073, 483, 191, 616, 377, 223 |
| McMichael | 0481 | 071 |
| Mediator | 0483 | 065, 040, 584 |
| Medion | | 065 |
| MElectronic | 0453 | 374, 065, 137, 133, 132, 402, 037, 245, 096, 508, 191, 315 |
| Memorex | 0037 | 037, 178, 182, 278 |
| Memphis | 0489 | 365
| Mercury | | 037, 065 |
| Metz | 0491 | 115, 241, 303, 395, 416, 563 |
| Micromaxx | | 065 |
| Minerva | 0494 | 582, 104, 335, 223, 515, 563, 219, 098 |
| Minoka | 0921 | 397, 387, 412, 440, 065 |
| Minstral | 0922 | 221 |
| MinstralElectronics | 0923 | 221 |
| Mitsubishi | 0150 | 136, 382, 064, 221, 065, 540, 115, 563, 035, 178, 061, 229, 121 |
| Mivar | 0500 | 320, 544, 244, 318, 319 |
| Motion | 0503 | 104 |
| MTC | 0185 | 377, 540, 088, 398 |
| MultiBroadcast | | 221 |
| Multimat | | 460 |
| Multitech | 0508 | 244, 130, 275, 377, 037, 103, 065, 514, 391, 398, 245 |
| Murphy | | 132, 244, 191, 502, 100 |
| NAD | | 194, 389 |
| Nagoa | | 311 |
| Naiko | | 065 |
| Nakimura | | 065, 402 |
| Naonis | | 391 |
| National | 0521 | 477, 242, 245, 368 |
| Neckermann | 0524 | 065, 219, 398, 584, 582, 115, 241, 377, 391, 533 |
| NEC | | 483, 037, 402, 348, 245, 065, 064, 198 |
| NEI | 0514 | 065, 365, 459, 399 |
| Nesco | 0525 | 207, 275 |
| Network | | 365, 060 |
| Neufunk | | 584, 037, 065 |
| NewTech | | 245, 371, 065, 584, 037 |
| Nicam | 0924 | 572 |
| Nicamagic | | 244 |
| Nikkai | 0528 | 060, 064, 037, 245, 063, 065, 100, 244, 246, 292, 365, 104, 130 |
| Nikko | | 345 |
| Nobliko | 0535 | 104, 130, 244, 098 |
| Nogamatic | 0925 | 596 |
| Nokia | 0536 | 508, 501, 576, 379, 236, 402, 387, 389, 585, 367, 574, 035, 377, 374, 191, 634, 659 |
| Nordmende | 0537 | 137, 315, 427, 224, 371, 226, 241, 327, 339, 596, 588 |
| Novatronic | | 065, 133 |
| Oceanic | 0540 | 243, 191, 389 |
| Omega | | 292 |
| Onwa | 0544 | 461, 609, 399, 246 |
| Orion | 0549 | 322, 383, 263, 205, 039, 065, 053, 348, 349, 392, 544, 054, 130, 037, 502, 239, 584, 297, 345, 471, 505, 207 |
| Orline | | 065, 246 |
| Osaki | 0550 | 616, 100, 300, 292, 402, 502, 245, 521, 297, 246, 304, 285, 060, 065, 440 |
| Osio | | 065 |
| Oso | 0551 | 246 |
| Osume | 0552 | 060, 100, 185, 065, 502 |
| Otake | 0553 | 345 |
| OttoVersand | 0554 | 038, 064, 533, 065, 219, 241, 245, 348, 371, 377, 540, 563, 582, 584 |
| Pacific | 0584 | |
| Pael | | 244 |
| Paliadium | 0560 | 398, 391, 446 |
| Palsonic | | 292, 065, 312, 440 |
| Panama | 0562 | 037, 245, 292, 244, 065, 275 |
| Panasonic | 0051 | 678, 254, 278, 154, 242, 368, 191, 302, 128, 544, 241, 065, 395, 379, 389, 103, 576 |
| PatheCinema | 0567 | 191, 266, 244, 241, 348 |
| PatheMarconi | 0568 | 233, 241, 224, 226, 361, 596 |
| Pausa | 0569 | 037 |
| Perdio | 0572 | 065, 191, 297, 348, 100 |
| Phase | 0926 | 060 |
| Philco | 0030 | 065, 280, 446, 275, 241, 191, 115, 112, 104, 398, 102, 173 |
| Philips | 0081 | 584, 065, 040, 041, 582, 221, 115, 071, 351, 402, 034, 219, 451, 371, 035 |
| Phoenix | 0574 | 244, 514, 100, 065, 297, 115, 616, 348, 498, 191, 398 |
| Phonola | 0575 | 221, 584, 041, 065, 244, 115, 040 |
| Pioneer | 0166 | 137, 194, 451, 191, 065, 398, 371, 389 |
| Pionier | | 398, 514 |
| Plantron | | 037, 065, 292 |
| Playsonic | | 245 |
| Poppy | | 037 |
| PrandoniPrince | 0927 | 544 |
| Precision | | 245 |
| Prima | | 037, 060, 502, 292 |
| Prinz | | 572, 100, 377, 222 |
| Profex | 0590 | 037, 389, 104, 391, 459, 191 |
| Profi-tronic | | 065, 130 |
| Proline | 0592 | 349, 100, 054, 065, 040 |
| Prosonic | | 242, 244, 402, 065, 398, 399, 607 |
| Protech | 0595 | 065, 245, 037, 275, 377, 130, 292, 365, 446, 459 |
| Provision | | 065, 527 |
| Pymi | | 037 |
| Pye | 0600 | 584, 065, 040041 |