| 1 | QMS | Quebec, Montreal & Southern Ry. | 4/1938-1/1952 | | NAKINA |
| 2 | QMS | Quebec, Montreal & Southern Ry. Co. (Canadian National Rys.) | 7/1930-7/1936 | | NAKINA |
| 3 | QMS | Quebec, Montreal & Southern Ry. | 4/38-1/52 | | NRHS |
| 4 | QMS | CANADIAN NATIONAL RWYS. [QUEBEC, MONTREAL & SOUTHERN RWY. CO.] | | | PWRC |
| 5 | QMSG | QUINCY MOVING & STORAGE | | | SCAC3 |
| 6 | QMSR | QUALITY MOVING SERVICE INC | | | SCAC4 |
| 7 | QMSS | QUALITY MOVING & STORAGE SERVICES I | | | SCAC4 |
| 8 | QMSV | QUALITY MOVING SERVICE INC | | | SCAC4 |
| 9 | QMSY | QUALITY MOVING SYSTEMS INC | | | SCAC3 |
