| 10001 | CMGD | CHEVALLEY MOVING & STORAGE OF DEWEY | | | SCAC3 |
| 10002 | CMGE | CORD MESSENGER SERVICE | | | SCAC3 |
| 10003 | CMGE | CUSTOM AG SERVICES | | | SCAC4 |
| 10004 | CMGG | CORE MESSENGER SERVICE INC | | | SCAC3 |
| 10005 | CMGG | CAM LOGISTICS LLC | | | SCAC4 |
| 10006 | CMGH | CHAPARRAL MOVING & STORAGE | | | SCAC3 |
| 10007 | CMGI | COLEY MOVING & STORAGE INC | | | SCAC3 |
| 10008 | CMGJ | CM TRUCKING | | | SCAC4 |
| 10009 | CMGK | CUMMINGS TRUCKING | | | SCAC3 |
| 10010 | CMGK | CAMIONNAGE GILLES LEVECK ENR | | | SCAC4 |
| 10011 | CMGL | CRAMERS GAS & OIL INC | | | SCAC4 |
| 10012 | CMGM | COLLIER MOVING & STORAGE INC | | | SCAC3 |
| 10013 | CMGM | CERDA MUNOZ, GUILLERMO | | | SCAC4 |
| 10014 | CMGN | Central Michigan Ry. Co. | added 1/1988; 1/1994-7/2000; eliminated 4/2004; 7/2005 | | NAKINA |
| 10015 | CMGN | Central Michigan Ry. Co. | added 1/88; 1/94-7/2000 | | NRHS |
| 10016 | CMGN | CENTRAL MICHIGAN RAILWAY CO. | | | PWRC |
| 10017 | CMGN | Central Michigan Railway | | | RSRV |
| 10018 | CMGN | CENTRAL MICHIGAN RAILWAY CO | | | SCAC3 |
| 10019 | CMGN | CENTRAL MICHIGAN RAILWAY CO | | | SCAC4 |
| 10020 | CMGN | Central Michigan Ry. Co. | | USA | TRAFFIC |
| 10021 | CMGO | CONTINENTAL MOVING SYSTEMS INC | | | SCAC3 |
| 10022 | CMGO | C M G TRANSPORTATION | | | SCAC4 |
| 10023 | CMGP | CHRISTINA MOVING & STORAGE INC | | | SCAC3 |
| 10024 | CMGP | CAMPBELL, GEORGE & SONS INC | | | SCAC4 |
| 10025 | CMGQ | C & M TRANSFER | | | SCAC3 |
| 10026 | CMGR | CORMAC GRAIN INC | | | SCAC3 |
| 10027 | CMGR | CAMLANE GROUP INC, THE | | | SCAC4 |
| 10028 | CMGS | COLLINS MOVING SYSTEMS INC | | | SCAC3 |
| 10029 | CMGS | CMT UNLIMITED | | | SCAC4 |
| 10030 | CMGT | C-MAC CARTAGE INC | | | SCAC3 |
| 10031 | CMGU | CEMENGAL SA | | E | BIC |
| 10032 | CMGU | CARBUROS MESSER GRIESHEIM SPAIN | | | SCAC3 |
| 10033 | CMGU | CARBUROS M | | | SCAC4 |
| 10034 | CMGV | CAMBLI INTERNATIONAL INC | | | SCAC4 |
| 10035 | CMGW | CANADA MESSENGER TRANSPORTATION SYS | | | SCAC3 |
| 10036 | CMGW | CRUMLEY, MITCH GRADING | | | SCAC4 |
| 10037 | CMGX | Cities Service Co., Minerals Group | added 4/1979; 1/1980; eliminated 7/1983 | | NAKINA |
| 10038 | CMGX | Cities Service Co. | added 1/1971; 1/1975; eliminated 4/1979 | | NAKINA |
| 10039 | CMGX | Cities Service Co. | added 1/71; 1/75; eliminated 4/79 | | NRHS |
| 10040 | CMGX | Cities Service Co., Minerals Group | added 4/79; 1/80 | | NRHS |
| 10041 | CMGX | CITIES SERVICE CO. MINERALS GROUP | | | PWRC |
| 10042 | CMGY | CONCEPT MUSCLE CARS LTD | | | SCAC4 |
| 10043 | CMH | Commair Aviation Limited | Callsign: Commodore, | GB | AVCODES |
| 10044 | CMH | Commair Aviation | | | ICAO1 |
| 10045 | CMHA | CALS MOBILE HOME | | | SCAC3 |
| 10046 | CMHA | CAMDEN SHIPPING CORPORATION | | | SCAC4 |
| 10047 | CMHB | CARTERS MOBILE HOME SERVICE | | | SCAC3 |
| 10048 | CMHC | CMH CORPORATION | | | SCAC3 |
| 10049 | CMHD | COMPLETE MOBILE HOME SERVICE | | | SCAC3 |
| 10050 | CMHD | COMPLETE MOBILE HOME SERVICE | | | SCAC4 |
| 10051 | CMHE | COMANCHE ENTERPRISES | | | SCAC3 |
| 10052 | CMHE | CARESTREAM HEALTH INC | | | SCAC4 |
| 10053 | CMHF | COMANCHE FREIGHTLINES INC | | | SCAC3 |
| 10054 | CMHG | CHURCH OF THE MOST HIGH GOD | | | SCAC3 |
| 10055 | CMHG | CARTEL | | | SCAC4 |
| 10056 | CMHH | CLARKS MOBILE HOME SERVICE & TRANSP | | | SCAC3 |
| 10057 | CMHH | CLARKS MOBILE HOME SALES LTD | | | SCAC4 |
| 10058 | CMHJ | CM HAULING | | | SCAC3 |
| 10059 | CMHK | CASE, MITCHELL TRUCKING | | | SCAC3 |
| 10060 | CMHK | CROMLEY, HARRY F JR | | | SCAC4 |
| 10061 | CMHL | CARMICHAEL, CLARENCE | | | SCAC3 |
| 10062 | CMHL | CHEMICAL SOUTH TRANSPORT INC | | | SCAC4 |
| 10063 | CMHM | CALS MOBILE HOME MOVERS | | | SCAC3 |
| 10064 | CMHM | CHAMPION MACHINERY MOVERS INC | | | SCAC4 |
| 10065 | CMHN | COLORADO MOBILE HOME & MODULAR TRAN | | | SCAC3 |
| 10066 | CMHO | COMPASS HOLDING CORP | | | SCAC3 |
| 10067 | CMHP | COLORADO MOVING & STORAGE CO | | | SCAC3 |
| 10068 | CMHP | COLORADO MOVING & STORAGE CO | | | SCAC4 |
| 10069 | CMHQ | COMMERCIAL CARTAGE CO INC | | | SCAC3 |
| 10070 | CMHQ | COMMERCIA | | | SCAC4 |
| 10071 | CMHR | COLEMAN MOBILE HOME REPAIR & SERVIC | | | SCAC3 |
| 10072 | CMHT | CUBIO MOBILE HOME TRANSPORTING | | | SCAC3 |
| 10073 | CMHT | CAMACHOS TRUCKING INC | | | SCAC4 |
| 10074 | CMHU | CAI INTERNATIONAL | | USA | BIC |
| 10075 | CMHV | COMANDOS SHUTTLE S DE RL DE CV | | | SCAC4 |
| 10076 | CMHX | CarMath, Inc. | added 1/1997; 7/2000-7/2005 | | NAKINA |
| 10077 | CMHX | CarMath, Inc. | added 1/97; 7/2000 | | NRHS |
| 10078 | CMHX | CARMATH INCORPORATED | | | PWRC |
| 10079 | CMHX | CarMath | | | RSRV |
| 10080 | CMI | Continental Micronesia, Inc. | IATA: CS, Callsign: Air Mike, IATA Prefix: 596, | GUM | AVCODES |
| 10081 | CMI | Continental Micronesia | IATA: CS | | ICAO1 |
| 10082 | CMI | Cockerill Maintenance & Ingénierie | | B | TRAFFIC |
| 10083 | CMIA | COMMONWEALTH MARITIME AGENCY | | | SCAC3 |
| 10084 | CMIA | CORD MASTER INTERNATIONAL INC | | | SCAC4 |
| 10085 | CMIB | CMI COMPUTER MOVERS INC | | | SCAC3 |
| 10086 | CMIB | CMI BROKERAGE | | | SCAC4 |
| 10087 | CMIC | CMI | | | SCAC4 |
| 10088 | CMIE | C & M TRANSPORT INC | | | SCAC4 |
| 10089 | CMIF | COMMERCIAL TRANSFER INC | | | SCAC3 |
| 10090 | CMIF | COLLARD MAN INC | | | SCAC4 |
| 10091 | CMIG | CLARKSVILLE MOVING & STORAGE CO | | | SCAC3 |
| 10092 | CMIG | CLARKSVILLE MOVING & STORAGE INC | | | SCAC4 |
| 10093 | CMIH | CMI HEAVY INDUSTRIES | | | SCAC4 |
| 10094 | CMII | CMI TRANSPORTATION INC | | | SCAC3 |
| 10095 | CMIJ | COACHMAN INTERNATIONAL TOURS | | | SCAC3 |
| 10096 | CMIJ | CARMONA, I & J TRUCKING INC | | | SCAC4 |
| 10097 | CMIK | COMAC INC | | | SCAC3 |
| 10098 | CMIK | COMAC INC | | | SCAC4 |
| 10099 | CMIL | COMPOSITE CREATIONS SCULPTURE | | | SCAC4 |
| 10100 | CMIM | C M TRANSPORTATION | | | SCAC3 |
