| 1 | CBK | Cheboksary Air Enterprise | Callsign: Air Cheboksary, | RUS | AVCODES |
| 2 | CBK | Central Asian Services | Callsign: Stalbek Air, Ceased operations. | KS | AVCODES |
| 3 | CBKA | CARBOCOKE ARMAMENTO S P A | | | SCAC3 |
| 4 | CBKB | CURTIS BROKERAGE SERVICES INC | | | SCAC4 |
| 5 | CBKC | CROSS BORDER CONSOLIDATORS | | | SCAC3 |
| 6 | CBKD | CIRCLE B INC | | | SCAC4 |
| 7 | CBKE | CONSOLIDATED BROKERAGE SERVICES INC | | | SCAC3 |
| 8 | CBKE | CARIBBULK SHIPPING LTD | | | SCAC4 |
| 9 | CBKF | COBRA TRUCKING INC | | | SCAC4 |
| 10 | CBKG | COLONIAL BAKING CO | | | SCAC3 |
| 11 | CBKH | CBA TRUCKING LLC | | | SCAC4 |
| 12 | CBKI | CUSTOM BROKERAGE, INC (A) | | | SCAC4 |
| 13 | CBKJ | CBC TRUCKING INC | | | SCAC4 |
| 14 | CBKL | CUNARD-BROCKLEBANK LTD | | | PWRC |
| 15 | CBKL | CHEEMA BROTHERS TRUCKING LTD | | | SCAC3 |
| 16 | CBKL | CHEEMA BROTHERS TRUCKING LTD | | | SCAC4 |
| 17 | CBKM | CONTINENTAL BAKING COMPANY | | | SCAC3 |
| 18 | CBKM | CHEMBU | | | SCAC4 |
| 19 | CBKN | CANNON, B L TRUCKING | | | SCAC3 |
| 20 | CBKN | CHILDS BROKERAGE INC | | | SCAC4 |
| 21 | CBKO | CASTILLE, ARTHUR | | | SCAC3 |
| 22 | CBKP | CREECH BROKERAGE INC | | | SCAC4 |
| 23 | CBKQ | CHEBOKSARY SHIPPING COMPANY LIMITED | | | SCAC3 |
| 24 | CBKQ | COLONIAL BRICK & STONE INC | | | SCAC4 |
| 25 | CBKS | CARIBBEAN BULK SERVICES INC | | | SCAC3 |
| 26 | CBKS | CARISBROOKE SHIPPING LTD | | | SCAC4 |
| 27 | CBKT | CHARBONEAU, K T TRUCKING INC | | | SCAC4 |
| 28 | CBKU | BELARUSKALI JSC | | BY | BIC |
| 29 | CBKV | CAMELBACK MOVING INC | | | SCAC4 |
| 30 | CBKW | CHEMBULK TRADING INC MONROVIA LIB | | | SCAC3 |
| 31 | CBKW | CAMBRIDGE TRUCKING INC | | | SCAC4 |
| 32 | CBKX | C.B. Kendall Co. | 7/1935 | | NAKINA |
| 33 | CBKY | CHAPPELL, BRETT TRUCKING INC | | | SCAC3 |
| 34 | CBKY | CHAPPELL, BRETT TRUCKING INC | | | SCAC4 |
