| 1 | BCX | Brown Co. | 8/1920-10/1966; eliminated 10/1967 | | NAKINA |
| 2 | BCX | Brown Co. | 4/38-10/66; eliminated 10/67 | | NRHS |
| 3 | BCX | BROWN CO. | | | PWRC |
| 4 | BCXA | BTC TRANSPORTATION | | | SCAC4 |
| 5 | BCXC | B C X INC | | | SCAC3 |
| 6 | BCXC | BUCCANEER EXPRESS LLC | | | SCAC4 |
| 7 | BCXD | BEAUMARC TRANSPORTATION SOLUTIONS L | | | SCAC4 |
| 8 | BCXE | BUCKS EXPRESS | | | SCAC3 |
| 9 | BCXE | BIG CAT XPRESS INC | | | SCAC4 |
| 10 | BCXF | BCC EXPRESS LLC | | | SCAC4 |
| 11 | BCXI | BCX INC | | | SCAC3 |
| 12 | BCXL | BC TRANSPORT LLC | | | SCAC4 |
| 13 | BCXM | B & C TRANSPORTS LLC | | | SCAC4 |
| 14 | BCXN | BLACK CLIPPER EXPRESS INC, THE | | | SCAC3 |
| 15 | BCXN | B C EXPRESS LINES INC | | | SCAC4 |
| 16 | BCXO | BEARCAT XPRESS | | | SCAC4 |
| 17 | BCXQ | B C EXPRESS | | | SCAC3 |
| 18 | BCXR | BEARCAT EXPRESS | | | SCAC3 |
| 19 | BCXR | B & C EXPRESS | | | SCAC4 |
| 20 | BCXS | BOBCAT EXPRESS | | | SCAC3 |
| 21 | BCXY | B & C TRANSPORT LLC | | | SCAC4 |
