| 1 | CMS | Commercial Aviation | Callsign: Access, | CDN | AVCODES |
| 2 | CMS | CAMEX Airlines LLC | IATA: Z7, Callsign: Camex, IATA Prefix: 207, | GE | AVCODES |
| 3 | CMS | Commercial Aviation | | | ICAO1 |
| 4 | CMS | CAMIONETAS MONREAL | | | SCAC4 |
| 5 | CMSA | COMMERCI | | | SCAC4 |
| 6 | CMSB | CMS TRUCKING COMPANY INC | | | SCAC3 |
| 7 | CMSC | CRONE MOVING & STORAGE COMPANY, INC | | | SCAC3 |
| 8 | CMSC | C & M SERVICES COMPANY LLC | | | SCAC4 |
| 9 | CMSD | COMET SHIPPING A S DENMARK | | | SCAC3 |
| 10 | CMSD | CHISHOLM MACHINERY SALES LIMITED | | | SCAC4 |
| 11 | CMSE | CONTINENTAL MOVING SERVICES | | | SCAC3 |
| 12 | CMSE | C M S CORP | | | SCAC4 |
| 13 | CMSF | C M S SERVICES INC | | | SCAC3 |
| 14 | CMSG | CAROLINA MOVING & STORAGE CO INC | | | SCAC3 |
| 15 | CMSH | C & M TRANSPORTATION SYSTEMS INC | | | SCAC3 |
| 16 | CMSI | CORD MOVING & STORAGE CO | | | SCAC3 |
| 17 | CMSI | CORD MOVING AND STORAGE | | | SCAC4 |
| 18 | CMSJ | CARE MOVING & STORAGE COMPANY | | | SCAC3 |
| 19 | CMSK | COMSTOCK TRUCKING INC | | | SCAC3 |
| 20 | CMSL | Cape May Seashore Lines | 7/2005 | | NAKINA |
| 21 | CMSL | CAPE MAY SEASHORE LINES | | | PWRC |
| 22 | CMSL | CHEM-SECURITY LTD | | | SCAC3 |
| 23 | CMSL | CAPE MAY SEASHORE LINES | | | SCAC4 |
| 24 | CMSL | Cape May Seashore Lines | | USA | TRAFFIC |
| 25 | CMSM | COMMAND SYSTEMS INC | | | SCAC3 |
| 26 | CMSM | COMMA | | | SCAC4 |
| 27 | CMSN | Crowley Marine Services | 7/2000-7/2005 | | NAKINA |
| 28 | CMSN | Crowley Marine Services | Jul-00 | | NRHS |
| 29 | CMSN | CROWLEY MARINE SERVICES | | | PWRC |
| 30 | CMSN | Crowley Marine Services | | | RSRV |
| 31 | CMSN | CROWLEY MARINE TRANSPORT | | | SCAC3 |
| 32 | CMSN | CROWLEY MARINE SERVICES INC | | | SCAC4 |
| 33 | CMSO | CHAMBLEE MOVING & STORAGE | | | SCAC3 |
| 34 | CMSO | CAPITOL MOVING & STORAGE INC | | | SCAC4 |
| 35 | CMSP | CAPITAL MESSENGER SERVICE INC | | | SCAC3 |
| 36 | CMSQ | CALIFORNIA MESSENGER SERVICE | | | SCAC3 |
| 37 | CMSR | CHARTER MOVING AND STORAGE CO INC | | | SCAC3 |
| 38 | CMSS | C & M SALES & SERVICES | | | SCAC3 |
| 39 | CMST | CMS TRUCKING INC | | | SCAC3 |
| 40 | CMST | Central Scottish Motor Traction | | GB | TRAFFIC |
| 41 | CMSTP | Chicage Milwaukee St.Paul & Pacific | | USA | TRAFFIC |
| 42 | CMSU | CAMEROON SHIPPING LINES S A | | | SCAC3 |
| 43 | CMSV | CRC MARINE SEVICES | | | SCAC3 |
| 44 | CMSV | CRC MARINE SERVICES | | | SCAC4 |
| 45 | CMSW | CHESTNUT MOVING & STORAGE | | | SCAC3 |
| 46 | CMSW | CRIMSON SHIPPING CO INC | | | SCAC4 |
| 47 | CMSX | Union Tank Car Co. | added 7/1968; 4/1970; eliminated 4/1970 | | NAKINA |
| 48 | CMSX | Cominco Ltd. | added 10/1966; 10/1966; eliminated 7/1968 | | NAKINA |
| 49 | CMSX | The Consolidated Mining and Smelting Company of Canada, Ltd. | 7/1935-7/1965; eliminated 10/1966 | | NAKINA |
| 50 | CMSX | The Consolidated Mining and Smelting Company of Canada, Ltd. | 4/38-7/65; eliminated 10/66 | | NRHS |
| 51 | CMSX | Cominco Ltd. | added 10/66; 10/66; eliminated 7/68 | | NRHS |
| 52 | CMSX | Union Tank Car Co. | added 7/68; 4/70; eliminated 4/70 | | NRHS |
| 53 | CMSX | *COMINCO, LTD. (UNION TANK CAR CO.)[CONSOLIDATED MINING & SMELTING CO. OF CANADA LTD.] | | | PWRC |
| 54 | CMSX | *CAPE MAY SEASHORE LINES, INC. | | | PWRC |
| 55 | CMSX | +CEDAR MOUNTAIN STONE CORP. | | | PWRC |
| 56 | CMSX | CEDAR MOUNTAIN STONE CORPORATION | | | SCAC4 |
| 57 | CMSY | COMTRANS SYSTEMS INC | | | SCAC3 |
| 58 | CMSY | CLASSIFIER MILLING SYSTEMS CORPORAT | | | SCAC4 |
