| 1 | BRS | Forca Aerea Brasileira (F.A.B.) | Callsign: FAB, | BR | AVCODES |
| 2 | BRS | Brazilian Air Force | | | ICAO1 |
| 3 | BRS | BATON ROUGE SOUTHERN RAILROAD | | | SCAC4 |
| 4 | BRS | Busverkehr Ruhr-Sieg GmbH | | D | TRAFFIC |
| 5 | BRSB | BURNS, M TRUCKING CO | | | SCAC3 |
| 6 | BRSB | BARRERA AULD, SEBASTIAN | | | SCAC4 |
| 7 | BRSC | BURNS, RALPH H & SONS, INC | | | SCAC3 |
| 8 | BRSD | BRITES CARTAGE | | | SCAC3 |
| 9 | BRSE | BRISCO ENTERPRISES | | | SCAC3 |
| 10 | BRSG | BRODIN SHIPPING AB | | | SCAC3 |
| 11 | BRSH | BIRDIE SHIPPING LIMITED | | | SCAC3 |
| 12 | BRSH | BRETTON RIDGE SHIPPING COMPANY LIMI | | | SCAC4 |
| 13 | BRSI | BARNETT SERVICES INC | | | SCAC3 |
| 14 | BRSL | BLUE RIVER SAFARIS | | | SCAC3 |
| 15 | BRSL | BAIRD BROS | | | SCAC4 |
| 16 | BRSM | BRADYS MOVING & STORAGE | | | SCAC3 |
| 17 | BRSM | BRADYS MOVING & STORAGE | | | SCAC4 |
| 18 | BRSM | Bruce R. Smith Limited | | USA | TRAFFIC |
| 19 | BRSN | BRITSCH INC | | | SCAC4 |
| 20 | BRSO | BRASILEIRO, LLOYD | | | SCAC3 |
| 21 | BRSP | BURGESS RANCH | | | SCAC4 |
| 22 | BRSQ | BELLEW, RAY & SONS INC | | | SCAC3 |
| 23 | BRSR | BLUE RIDGE SCENIC RAILWAY | | | PWRC |
| 24 | BRSR | Blue Ridge Scenic Railway | | | RSRV |
| 25 | BRSS | B & R SERVICES | | | SCAC3 |
| 26 | BRST | BRISTOL COUNTY MOVERS | | | SCAC3 |
| 27 | BRSU | BASF SE LUDWIGSHAFEN | | D | BIC |
| 28 | BRSU | BRIDGE SHIPPING (PTY) LTD | | | SCAC3 |
| 29 | BRSW | BRUNSWICK CORPORATION | | | SCAC4 |
| 30 | BRSX | High Sierra Transportation, LLC | added 10/2006; eliminated 4/2007 | | NAKINA |
| 31 | BRSX | *BRANSON SCENIC RAILWAY | | | PWRC |
| 32 | BRSX | +HIGH SIERRA TRANSPORTATION, LLC | | | PWRC |
| 33 | BRSX | SOUTHWEST RAIL INDUSTRIES INC | | | SCAC4 |
