| 1 | RWMC | R W M COURIER SERVICE | | | SCAC3 |
| 2 | RWMC | RITE WAY MFG CO LTD | | | SCAC4 |
| 3 | RWMH | RITE-WAY MOBILE HOME REPAIR INC | | | SCAC3 |
| 4 | RWMI | RIDGEWAY MARITIME INC | | | SCAC3 |
| 5 | RWMR | ROWE, WILLIAM R TANK TRUCK SERVICE | | | SCAC3 |
| 6 | RWMV | RELIABLE WEST MOVING & STORAGE | | | SCAC3 |
| 7 | RWMW | REDWISE MARITIME SERVICE BV | | | SCAC4 |
| 8 | RWMX | Railway Management, Inc. | added 10/1991; 1/1994; eliminated 4/1997 | | NAKINA |
| 9 | RWMX | Railway Management, Inc. | added 10/91; 1/94; eliminated 4/97 | | NRHS |
| 10 | RWMX | RAILWAY MANAGEMENT, INC. | | | PWRC |
| 11 | RWMY | RIDGEWAY MARITIME CORPORATION | | | SCAC3 |
