| 1 | HMIA | HUTCHERSON METALS INC | | | SCAC4 |
| 2 | HMIB | HILLTOP MULCH INC | | | SCAC4 |
| 3 | HMIC | HANAHREUM MART INC | | | SCAC4 |
| 4 | HMIF | HANSON MFG INC | | | SCAC4 |
| 5 | HMIK | HAWKINGS, MIKE TRUCKING LLC | | | SCAC4 |
| 6 | HMINT | Hokkaido Mint Bus | Charter service only | J | TRAFFIC |
| 7 | HMIQ | HEADMASTE | | | SCAC4 |
| 8 | HMIX | Henkels & McCoy, Inc. (MofW cars) | 1/1994 (not listed); added 7/1997; 7/2000; eliminated 10/2003; 7/2005 (not listed) | | NAKINA |
| 9 | HMIX | Henkels & McCoy, Inc. (MofW cars) | 1/94; added 7/97; 7/2000 | | NRHS |
| 10 | HMIX | HENKELS & MCCOY, INC | | | PWRC |
| 11 | HMIX | Henkels and McCoy | | | RSRV |
| 12 | HMIX | HENKELS & MCCOY, INC (M & W | | | SCAC4 |
| 13 | HMIY | HONEYVILLE METAL INC | | | SCAC4 |
