| 2401 | CCII | CASA CLASAL INTERNATIONAL INC | | | SCAC4 |
| 2402 | CCIJ | CREST COACH INC | | | SCAC3 |
| 2403 | CCIJ | CROSS, CHRISTOPHER INC | | | SCAC4 |
| 2404 | CCIK | CATTLE CARRIERS INC | | | SCAC3 |
| 2405 | CCIK | CHICK-N-MATION | | | SCAC4 |
| 2406 | CCIL | CECIL B J TRUCKING INC | | | SCAC3 |
| 2407 | CCIM | Corpus Christie Terminal | 1/1994-7/2005 | | NAKINA |
| 2408 | CCIM | Corpus Christie Terminal | 1/94-7/2000 | | NRHS |
| 2409 | CCIM | CORPUS CHRISTI TERMINAL RAILROAD | | | PWRC |
| 2410 | CCIM | Corpus Christi Terminal Railroad | | | RSRV |
| 2411 | CCIM | CREEKSIDE CARGO INC | | | SCAC4 |
| 2412 | CCIN | CAR COURIERS INC | | | SCAC4 |
| 2413 | CCIO | CHICO TRANSPORTATION | | | SCAC3 |
| 2414 | CCIO | COMMONWEALTH CARGO INC | | | SCAC4 |
| 2415 | CCIP | C C I EXPRESS CORP | | | SCAC4 |
| 2416 | CCIQ | CARR CARRIER MOTOR SALES | | | SCAC3 |
| 2417 | CCIR | CONNER CAIN TRAVEL AGENCY | | | SCAC3 |
| 2418 | CCIS | CULLUM COMPANIES INC | | | SCAC3 |
| 2419 | CCIT | COAL CITY TRUCKING COMPANY | | | SCAC3 |
| 2420 | CCIU | COLUMBIA COMMON CARRIERS, INC. | | | SCAC3 |
| 2421 | CCIU | CHINA COMMERCIAL SERVICES INTERNATI | | | SCAC4 |
| 2422 | CCIV | CONTRACTORS CARTAGE INC | | | SCAC3 |
| 2423 | CCIV | CRANE CREEK TRUCKING LLC | | | SCAC4 |
| 2424 | CCIW | COMBO CARGO INTERNATIONAL LTD | | | SCAC3 |
| 2425 | CCIW | CORNELL CARRIERS INC | | | SCAC4 |
| 2426 | CCIX | Rhone-Poulenc Basic Chemicals Co. | eliminated 1/1994; 1/1994 (not listed) | | NAKINA |
| 2427 | CCIX | Stauffer Chemical Co., Consolidated Chemical Division | added 1/1963; 7/1965-1/1980 | | NAKINA |
| 2428 | CCIX | Stauffer Chemical Co., Consolidated Chemical Industries Division | added 10/1958; 4/1961; eliminated 1/1963 | | NAKINA |
| 2429 | CCIX | Consolidated Chemical Industries, Division of Stauffer Chemical Co. | added 4/1956; 10/1957; eliminated 10/1958 | | NAKINA |
| 2430 | CCIX | Consolidated Chemical Industries | 1/1941-7/1954; eliminated 4/1956 | | NAKINA |
| 2431 | CCIX | Consolidated Chemical Industries, Inc., New England, Louisiana and Texas Divisions | 7/1937-4/1938 | | NAKINA |
| 2432 | CCIX | The Cleveland-Cliffs Iron Ore Co. | 7/1930-7/1932 | | NAKINA |
| 2433 | CCIX | Consolidated Chemical Industries | 4/38-1/52 | | NRHS |
| 2434 | CCIX | Consolidated Chemical Industries, Division of Stauffer Chemical Co. | 10/57; eliminated 10/58 | | NRHS |
| 2435 | CCIX | Stauffer Chemical Co., Consolidated Chemical Industries Division | added 10/58 | | NRHS |
| 2436 | CCIX | Consolidated Chemical Industries, Division of Stauffer Chemical Co. | Apr-61 | | NRHS |
| 2437 | CCIX | Consolidated Chemical Division (Stauffer Chemical Co., Consolidated Chemical Division) | 7/65-4/70 | | NRHS |
| 2438 | CCIX | Stauffer Chemical Co., Consolidated Chemical Division | 1/75-1/80 | | NRHS |
| 2439 | CCIX | Rhone-Poulenc Basic Chemicals Co. | eliminated 1/94 | | NRHS |
| 2440 | CCIX | *CLEVELAND-CLIFFS IRON ORE CO. | | | PWRC |
| 2441 | CCIX | *(RPBX) RHONE-POULENC BASIC CHEMICALS CO. [STAUFFER CHEMICAL C0.; CONSOLIDATED CHEMICAL INDUSTRIES] | | | PWRC |
| 2442 | CCIX | Cleveland-Cliffs Iron Ore (Stauffer Chemical Consolidated Chemical Division) | | | RSRV |
| 2443 | CCIY | CHRISTIANA CABINETRY | | | SCAC4 |
| 2444 | CCIZ | *CAYUGA COUNTY INDUSTRIAL DEVELOPMENT AGENCY | | | PWRC |
| 2445 | CCIZ | *CRETE INTERMODAL | | | PWRC |
| 2446 | CCIZ | Crete Intermodal | | | RSRV |
| 2447 | CCIZ | CRETE INTERMODAL | | | SCAC4 |
| 2448 | CCJ | Capital Jet Charter Corp t/a CapJet | Callsign: Cap Jet, | USA | AVCODES |
| 2449 | CCJB | COMPLETE CARGO SERVICES INC | | | SCAC3 |
| 2450 | CCJB | CANADIAN COLLEGIATE SUPPLY INC | | | SCAC4 |
| 2451 | CCJD | CARDINAL CARRIERS | | | SCAC4 |
| 2452 | CCJE | C C J EXPRESS TRUCKING SERVICE | | | SCAC3 |
| 2453 | CCJE | CISNEROS CARDOSO, JAIME | | | SCAC4 |
| 2454 | CCJF | CONTINENTAL CARRIERS INC | | | SCAC3 |
| 2455 | CCJF | CROSS COUNTRY FREIGHT SERVICE LLC | | | SCAC4 |
| 2456 | CCJG | CAMACHO CHAIREZ, JOSE MANUEL | | | SCAC4 |
| 2457 | CCJH | CASCADE CANADA LTD | | | SCAC4 |
| 2458 | CCJI | COMMERCIAL CARPET LOGISTICS INC | | | SCAC4 |
| 2459 | CCJK | CLASSIC CAR CARRIER | | | SCAC4 |
| 2460 | CCJL | CHINA CONTAINER LINE LTD | | | SCAC4 |
| 2461 | CCJM | CASCADE CARRIER GROUP LLC | | | SCAC4 |
| 2462 | CCJN | C & C FEEDS INC | | | SCAC4 |
| 2463 | CCJO | C&C TRUCKING CO | | | SCAC3 |
| 2464 | CCJP | CCB INTERNATIONAL | | | SCAC4 |
| 2465 | CCJS | CHIEF CARGO SERVICES INC | | | SCAC4 |
| 2466 | CCJT | CONOCAL TRANSPORT INC | | | SCAC3 |
| 2467 | CCJV | CANAL | | | SCAC4 |
| 2468 | CCK | Flight Trac, Inc. | Callsign: Cable Check, | USA | AVCODES |
| 2469 | CCK | Air Coral Coast Limited | Callsign: Air Coral, | FJI | AVCODES |
| 2470 | CCK | Flight Trac | | | ICAO1 |
| 2471 | CCK | Campbell's Creek R.R. Co. | 8/1920-4/1961 | | NAKINA |
| 2472 | CCK | Campbell's Creek R.R. Co. | 7/23-4/61 | | NRHS |
| 2473 | CCK | CAMBELL'S CREEK RR | | | PWRC |
| 2474 | CCKA | CLASSIC CARTAGE TRUCKING CORPORATIO | | | SCAC3 |
| 2475 | CCKA | CLASSIC CARTAGE TRUCKING CORPORATIO | | | SCAC4 |
| 2476 | CCKC | CROSSROAD TRUKING INC | | | SCAC4 |
| 2477 | CCKD | C & C TRUCKING OF DUNCAN INC | | | SCAC3 |
| 2478 | CCKE | CROWN CORK & SEAL CO USA INC | | | SCAC4 |
| 2479 | CCKG | C N C TRUCKING | | | SCAC3 |
| 2480 | CCKH | COCKERHAM, MILO C CO INC | | | SCAC4 |
| 2481 | CCKJ | C C K TRUCKING INC | | | SCAC4 |
| 2482 | CCKK | CIRCLE C TRUCKING INC | | | SCAC3 |
| 2483 | CCKK | CARTER TRUCKING CO | | | SCAC4 |
| 2484 | CCKL | C C M TRUCKING | | | SCAC3 |
| 2485 | CCKL | CEDAR CREEK LUMBER | | | SCAC4 |
| 2486 | CCKM | COLLINS, CHUCK MOBILE HOME MOVER | | | SCAC3 |
| 2487 | CCKN | CAL STATE TRUCKING CO INC | | | SCAC3 |
| 2488 | CCKN | COLLETT TRUCKING INC | | | SCAC4 |
| 2489 | CCKP | CARLSON, CHARLES TRUCKING | | | SCAC3 |
| 2490 | CCKQ | CATHCART TRUCKING | | | SCAC3 |
| 2491 | CCKQ | CONCORD TRUCKING SERVICES INC | | | SCAC4 |
| 2492 | CCKR | CHECKER VAN & STORAGE OF OAKLAND, I | | | SCAC3 |
| 2493 | CCKR | CLUCK CLUCK EXPRESS INC | | | SCAC4 |
| 2494 | CCKS | C & C TRUCK LINE INC | | | SCAC3 |
| 2495 | CCKT | CLASSIC CARTAGE INC | | | SCAC3 |
| 2496 | CCKU | CENTRAL CONTAINER LTD | | H | BIC |
| 2497 | CCKU | CECANA LINE | | | SCAC3 |
| 2498 | CCKU | CECANA LINE | | | SCAC4 |
| 2499 | CCKV | COW CREEK VALLEY TRANSPORT | | | SCAC3 |
| 2500 | CCKV | C & C TRUCKING SERVICES | | | SCAC4 |
