| 1 | DMS | Air Dimension | Callsign: Air Dim, | I | AVCODES |
| 2 | DMS | Diamond Sky OU | Callsign: Diamond, | EST | AVCODES |
| 3 | DMSA | DMS MOVING SYSTEMS OF ALABAMA INC | | | SCAC4 |
| 4 | DMSC | DM SURPLUS SCRAP | | | SCAC4 |
| 5 | DMSD | DMS EXPRESS INC | | | SCAC4 |
| 6 | DMSF | DAMASCUS FUEL CO INC | | | SCAC4 |
| 7 | DMSH | DEIULEMAR SHIPPING SPA | | | SCAC4 |
| 8 | DMSJ | D M S TRUCKING | | | SCAC4 |
| 9 | DMSL | DICKSON MOTOR SALES & LEASING INC | | | SCAC4 |
| 10 | DMSN | DIAMOND S NORTH WEST | | | SCAC4 |
| 11 | DMSO | DIAMOND EXPRESS LOGISTICS INC | | | SCAC4 |
| 12 | DMSS | DORMAN & SONS CONSTRUCTION | | | SCAC4 |
| 13 | DMSU | ABC CONTAINERLINE N.V. | | | PWRC |
| 14 | DMSX | The Consolidated Mining and Smelting Co. of Canada, Ltd., owner's agent | 1/1941-1/1946 | | NAKINA |
| 15 | DMSX | Dunbar Molasses & Syrup Co. | 8/1920-7/1923 | | NAKINA |
| 16 | DMSX | *DUNBAR MOLASSES & SYRUP CO. | | | PWRC |
| 17 | DMSX | *CONSOLIDATED MINING & SMELTING CO. OF CANADA, LTD., OWNERS AGENT | | | PWRC |
