| 4201 | CEHB | COSMOTRADE EXPORTS SA | | | SCAC4 |
| 4202 | CEHC | CENTRAL COPTERS INC | | | SCAC4 |
| 4203 | CEHD | C & E CHARTER & TOURS | | | SCAC3 |
| 4204 | CEHG | CENTRAL EQUIPMENT HAULING | | | SCAC3 |
| 4205 | CEHL | CERES HELLENIC SHIPPING ENTPRISES | | | SCAC3 |
| 4206 | CEHM | COASTAL EXPRESS INC | | | SCAC3 |
| 4207 | CEHN | COAKLEY, C H & CO | | | SCAC3 |
| 4208 | CEHP | COLEMAN AMERICAN MOVING SERVICES IN | | | SCAC4 |
| 4209 | CEHQ | CRAIGS EQUIPMENT HAULING | | | SCAC4 |
| 4210 | CEHR | CENTRAL AMERICAN SHIPPING | | | SCAC3 |
| 4211 | CEHS | CENTRAL HIGH SERVICE INC | | | SCAC3 |
| 4212 | CEI | Union Pacific R.R. Co. | added 4/1997; 7/2000-7/2005 | | NAKINA |
| 4213 | CEI | Missouri Pacific R.R. Co. | 1/1980 | | NAKINA |
| 4214 | CEI | Missouri Pacific System | 1/1994; eliminated 4/1997 | | NAKINA |
| 4215 | CEI | Missouri Pacific System | added 1/1977 | | NAKINA |
| 4216 | CEI | Chicago & Eastern Illinois R.R. | 1/1975; eliminated 1/1977 | | NAKINA |
| 4217 | CEI | Chicago & Eastern Illinois R.R. | 1/75; eliminated 1/77 | | NRHS |
| 4218 | CEI | Missouri Pacific System | added 1/77 | | NRHS |
| 4219 | CEI | Missouri Pacific R.R. Co. | Jan-80 | | NRHS |
| 4220 | CEI | Missouri Pacific System | 1/94; eliminated 4/97 | | NRHS |
| 4221 | CEI | Union Pacific R.R. Co. | added 4/97; 7/2000 | | NRHS |
| 4222 | CEI | UP [MISSOURI PACIFIC RAILROAD; CHICAGO & EASTERN ILLINOIS RAILROAD] | | | PWRC |
| 4223 | CEI | Chicago and Eastern Illinois Railroad (Union Pacific Railroad) | | | RSRV |
| 4224 | CEI | Chicago & Eastern Illinois | | USA | TRAFFIC |
| 4225 | CEIB | COLEMAN EXPRESS INC | | | SCAC4 |
| 4226 | CEIBA | Ceiba Intercontinental | Real: CEL | GQ | TRAFFIC |
| 4227 | CEIC | CANNON ENTERPRISES INC | | | SCAC3 |
| 4228 | CEIC | CEI | | | SCAC4 |
| 4229 | CEID | CARE CORPORATION | | | SCAC3 |
| 4230 | CEID | CONTAINER EXPRESS INC | | | SCAC4 |
| 4231 | CEIF | CB EXPRESS INC | | | SCAC4 |
| 4232 | CEIG | CAMCO LEASING INC | | | SCAC3 |
| 4233 | CEIH | CUSTOM ETCH INC | | | SCAC4 |
| 4234 | CEII | CHEMICAL INDUSTRIES INC | | | SCAC3 |
| 4235 | CEIK | CELLI TRUCKING COMPANY | | | SCAC3 |
| 4236 | CEIK | CONFECTION EMRICK INC | | | SCAC4 |
| 4237 | CEIL | CENTRAL ILLINOIS FREIGHT SYSTEMS IN | | | SCAC3 |
| 4238 | CEIL | CHANDLER EXPRESS INC | | | SCAC4 |
| 4239 | CEIM | COMERCIALIZADORA E IMPORTADORA URIB | | | SCAC4 |
| 4240 | CEIN | C C E INC | | | SCAC4 |
| 4241 | CEIO | C-E INDUSTRIAL PRODUCT GROUP TRUCKI | | | SCAC3 |
| 4242 | CEIO | CARLA ENTERPRISES INC | | | SCAC4 |
| 4243 | CEIP | COMMODITIES EXPRESS INC | | | SCAC3 |
| 4244 | CEIP | CASS EXPRESS INC | | | SCAC4 |
| 4245 | CEIQ | C E I | | | SCAC3 |
| 4246 | CEIQ | CHALLENGER EXPRESS INC | | | SCAC4 |
| 4247 | CEIR | COLE CARRIERS CORP | | | SCAC4 |
| 4248 | CEIS | CLOSSON ENTERPRISES INC | | | SCAC3 |
| 4249 | CEIS | CLOSSON ENTERPRISES INC | | | SCAC4 |
| 4250 | CEIT | CODE EXPRESS INC | | | SCAC4 |
| 4251 | CEIU | CONTENEURS EXPERTS INC | | CDN | BIC |
| 4252 | CEIU | Conteneurs Experts S.D.Inc | | | RSRV |
| 4253 | CEIU | CONTENEURS EXPERTS S D INC | | | SCAC4 |
| 4254 | CEIV | CLENDENNEN, ERNEST INC | | | SCAC3 |
| 4255 | CEIV | COMMODITY ENTERPRISES INC | | | SCAC4 |
| 4256 | CEIW | Central Indiana & Western R.R. Co., Inc. | added 1/1987; eliminated 7/1989; 1/1994-7/2005 | | NAKINA |
| 4257 | CEIW | Central Indiana & Western R.R. Co., Inc. | added 1/87; eliminated 7/89; 1/94-7/2000 | | NRHS |
| 4258 | CEIW | CENTRAL INDIANA & WESTERN RAILROAD CO., INC. | | | PWRC |
| 4259 | CEIW | Central Indiana and Western Railroad | | | RSRV |
| 4260 | CEIW | CENTRAL INDIANA & WESTERN RAILROAD | | | SCAC3 |
| 4261 | CEIY | COLLECTIA LTD | | | SCAC3 |
| 4262 | CEIY | COMPREHENS | | | SCAC4 |
| 4263 | CEIZ | *CHEMICAL ENTERPRISES, INC. | | | PWRC |
| 4264 | CEIZ | *MISSOURI PACIFIC RAILROAD | | | PWRC |
| 4265 | CEJ | Corporacion Aerea Ejecutiva, S.A. de C.V. | Callsign: Corpoejecutiva, | MEX | AVCODES |
| 4266 | CEJA | COMERCIAL EXPORTADORA JASO S A DE C | | | SCAC4 |
| 4267 | CEJO | CENTRAL JERSEY TRANSFER INC | | | SCAC3 |
| 4268 | CEJO | CABRAL, E | | | SCAC4 |
| 4269 | CEJS | CATTANI, E. J.,& SON | | | SCAC3 |
| 4270 | CEJT | CEDAR POINT TRUCKING INC | | | SCAC4 |
| 4271 | CEK | La Societe Seca | IATA: FV, Callsign: Seca, | F | AVCODES |
| 4272 | CEKB | CONTINENTAL EAST TRUCKING & BROKERA | | | SCAC4 |
| 4273 | CEKC | CHEROKEE CONSTRUCTION COMPANY INC | | | SCAC3 |
| 4274 | CEKC | CHANDLER TRUCKING LLC | | | SCAC4 |
| 4275 | CEKI | COLLETT TRUCKING | | | SCAC3 |
| 4276 | CEKI | CUATE TRUCKING | | | SCAC4 |
| 4277 | CEKL | CLEMENS TRUCKING LLC | | | SCAC4 |
| 4278 | CEKN | CAMEL TRUCKING INC | | | SCAC3 |
| 4279 | CEKQ | CRATER TRUCK SERVICE | | | SCAC3 |
| 4280 | CEKR | CASTLE TRUCKING INC | | | SCAC3 |
| 4281 | CEKW | C-LINE TRANSPORT INC | | | SCAC4 |
| 4282 | CEKX | C.E. Kramer | 7/1923 | | NAKINA |
| 4283 | CEKX | C.E. Kremer | 8/1920 | | NAKINA |
| 4284 | CEKX | C. E. KRAMER | | | PWRC |
| 4285 | CEL | Ceneast Airlines Ltd. | | EAK | AVCODES |
| 4286 | CEL | Ceiba Intercontinental | IATA: C2, Callsign: Ceiba Line, IATA Prefix: 304, | GQ | AVCODES |
| 4287 | CEL | Chemin de fer de l'État Libanais | | RL | TRAFFIC |
| 4288 | CEL | Lebanon Railways | | LB | VKM |
| 4289 | CELA | CENLA CAB COMPANY INC | | | SCAC3 |
| 4290 | CELB | CELLUM, BILLIE R | | | SCAC3 |
| 4291 | CELB | CELTIC CARRIERS INC | | | SCAC4 |
| 4292 | CELC | CENTRAL TRANSIT COMPANY | | | SCAC3 |
| 4293 | CELC | CELTIC INTERNATIONAL INC | | | SCAC4 |
| 4294 | CELD | COTY ENTERPRISES LTD | | | SCAC3 |
| 4295 | CELF | CUMMINGS, E L INC | | | SCAC3 |
| 4296 | CELF | CELESTIAL FREIGHT SOLUTIONS | | | SCAC4 |
| 4297 | CELG | CASTLE LIMOUSINE SERVICE | | | SCAC3 |
| 4298 | CELH | CHARLES TRANSPORT INC | | | SCAC3 |
| 4299 | CELI | CELI, P TRUCKING INC | | | SCAC3 |
| 4300 | CELI | CEMAR ELECTRO INC | | | SCAC4 |
