| 1 | CBY | Coningsby FTU | Callsign: Typhoon, | GB | AVCODES |
| 2 | CBY | Coningsby Flying Training Unit | | | ICAO1 |
| 3 | CBYC | CRANBURRY CORPORATION LIMITED | | | SCAC3 |
| 4 | CBYD | CANADIAN BOYS TRANSPORT LTD | | | SCAC4 |
| 5 | CBYE | COLBY ENTERPRISES INC | | | SCAC3 |
| 6 | CBYG | COLBY & GALE INC | | | SCAC4 |
| 7 | CBYI | CLEAR BAY FISHERIES INC | | | SCAC4 |
| 8 | CBYK | COW-BOYS TRUCKING LLP | | | SCAC4 |
| 9 | CBYL | COBY, LARRY TRUCKING | | | SCAC3 |
| 10 | CBYL | COUNTRY BOY AUTO SALES | | | SCAC4 |
| 11 | CBYM | CHISBURY MARITIME CORPORATION | | | SCAC3 |
| 12 | CBYN | Crosbyton Ry. Co., Inc. | added 1/1992; eliminated 1/1993; 1/1994-7/2005 | | NAKINA |
| 13 | CBYN | Crosbyton Ry. Co. | added 7/1991; eliminated 1/1992 | | NAKINA |
| 14 | CBYN | Crosbyton Ry. Co. | added 7/91; eliminated 1/92 | | NRHS |
| 15 | CBYN | Crosbyton Ry. Co., Inc. | added 1/92; eliminated 1/93; 1/94-7/2000 | | NRHS |
| 16 | CBYN | CROSBYTON RAILWAY COMPANY, INC. | | | PWRC |
| 17 | CBYN | Crosbyton Railway | | | RSRV |
| 18 | CBYN | CROSBYTON RAILWAY COMPANY INC | | | SCAC3 |
| 19 | CBYN | CROSBYTON RAILWAY COMPANY INC | | | SCAC4 |
| 20 | CBYP | CONTAINER MOBILITY CANADA CORP | | | SCAC4 |
| 21 | CBYQ | CANNON BAY LOGISTICS INC | | | SCAC4 |
| 22 | CBYR | CASCO BAY TRNASPORTATION LLC | | | SCAC4 |
| 23 | CBYT | COBY TRANSPORTATION INC | | | SCAC3 |
| 24 | CBYV | CHESBAY VAN LINES INC | | | SCAC3 |
| 25 | CBYV | CREATIVE BUOYANCY INNOVATIONS | | | SCAC4 |
| 26 | CBYY | CARLTON, BARRY | | | SCAC4 |
