| Manufacturer | Four-Digit Brand Code | Three-Digit Set Code |
| Halifax | | 244, 292, 245 |
| Hampton | | 245, 244 |
| Hanimex | | 322 |
| Hanseatic | 0353 | 065, 389, 572, 348, 456 |
| Hantarex | 0354 | 544, 037, 130, 065, 335, 241 |
| Hantor | | 065 |
| Harwood | 0361 | 285, 037, 065, 060, 440, 345 |
| HCM | 0347 | 037, 310, 440 |
| Hifivox | 0911 | 596 |
| Hikona | | 502, 246 |
| HiLine | | 292, 065 |
| Hinari | 0365 | 037, 064, 065, 207, 246, 263, 515, 383, 392, 311, 191, 471, 236, 239 |
| Hisawa | 0368 | 310, 428, 483 |
| Hit | | 115 |
| Hitachi | 0145 | 253, 384, 377, 173, 606, 469, 591, 509, 065, 071, 072, 064, 060, 133, 137, 224, 245, 255, 191, 391, 576, 544, 501, 222, 100, 371, 226, 178, 304, 103, 549, 497, 527, 584, 334, 604, 123 |
| Huanyu | 0912 | 244, 402 |
| Hyper | | 037, 244, 245, 275 |
| Hypson | 0374 | 065, 292, 310 |
| Iberia | | 065 |
| ICE | 0378 | 245, 292, 399, 246, 244, 037, 065 |
| ICeS | 0913 | 246 |
| Imperial | 0387 | 065, 275, 398, 112, 446, 398, 498 |
| Indesit | 0388 | 339, 241 |
| Indiana | 0914 | 065 |
| Ingelen | 0915 | 191, 585, 515 |
| Ingersol | | 037 |
| InnoHit | 0916 | 065, 037, 275, 104, 246, 100, 544, 245, 335, 318, 103 |
| Interbuy | 0393 | 096 |
| Interfunk | 0394 | 065, 191, 275, 389, 540, 585, 596 |
| Internal | | 065 |
| Intervision | 0397 | 245, 065, 096, 130, 292 |
| lsukai | 0398 | 246 |
| ITC | | 245 |
| ITS | 0383 | 399, 292, 310, 244, 065, 246 |
| ITT | 0384 | 576, 191, 574, 379, 207, 549, 389, 221, 374, 508, 367, 377, 501, 035, 236 |
| ITT-Nokia | | 585, 508, 191, 374, 379, 501, 576, 549, 389, 367, 207, 377, 236, 574, 659, 634 |
| Jean | | 064 |
| JEC | | 063 |
| JMB | | 065, 622, 584 |
| JVC | 0053 | 681, 081, 122, 399, 221, 218, 634, 220, 064, 033, 246 |
| Kaisui | 0409 | 246, 310, 065, 244, 245, 037 |
| Kamp | | 244 |
| Kapsch | 0917 | 234, 191, 585 |
| Kathrein | 0411 | 584 |
| KB | | 191 |
| Kendo | 0414 | 065, 263, 390 |
| Kennedy | | 234, 241, 191, 463 |
| Kingsley | 0418 | 244 |
| Kneissel | 0421 | 287, 463 |
| Kolster | | 065 |
| Konka | | 399, 246 |
| Korpel | 0423 | 065 |
| Kosmos | | 065 |
| Korting | 0424 | 115 |
| Kotron | | 440, 292 |
| Kyoshu | | 060, 440, 292 |
| Koyoda | 0918 | 037 |
| Kyoto | | 191, 060 |
| Leyco | 0434 | 292, 065, 100, 322 |
| LG | | 065, 244, 405, 318, 037, 398, 191, 459, 245, 389, 060, 275 |
| Liesenk&Tier | 0919 | 065 |
| Lloyd's | | 037 |
| Lloytron | 0441 | 060 |
| Loewe | 0442 | 540, 115, 103, 065, 398 |
| Logik | | 221, 033, 061, 039 |
| Luma | 0447 | 234, 391 |
| Lumatron | | 287, 234, 101, 391, 245, 390, 292, 389, 065, 191 |
| Luxor | 0452 | 191, 374, 318, 222, 576, 377, 384, 389, 508, 236, 391 |