| 8501 | BOCE | BOYCE TRUCKING | | | SCAC3 |
| 8502 | BOCF | BOCIMAR SA NV | | | SCAC3 |
| 8503 | BOCH | BORCHARDT, ELMER INC | | | SCAC3 |
| 8504 | BOCH | BOUCHARD, STEPHANE TRANSPORT | | | SCAC4 |
| 8505 | BOCH | Bochum-Gelsenkirchener Straßenbahnen AG | Real: BOGESTRA, City: Bochum | D | TRAFFIC |
| 8506 | BOCI | BOSLEY OIL CO INC | | | SCAC4 |
| 8507 | BOCJ | BOARD OF COUNTY COMMISSIONERS OF PA | | | SCAC4 |
| 8508 | BOCK | BOCK TRANSFER & STORAGE CO | | | SCAC3 |
| 8509 | BOCK | BAUMGART OIL COMPANY LLC | | | SCAC4 |
| 8510 | BOCL | BORCULO GARAGE INC | | | SCAC3 |
| 8511 | BOCL | BONNEAU, CLAUDE TRANSPORT | | | SCAC4 |
| 8512 | BOCM | BELGIAN OVERSEAS CHARTERING & SHIP | | | SCAC3 |
| 8513 | BOCM | BLUE OCEAN MARINE | | | SCAC4 |
| 8514 | BOCN | BOCKS TRANSPORTATION INC | | | SCAC3 |
| 8515 | BOCN | BOCIMAR INTERNATIONAL NV | | | SCAC4 |
| 8516 | BOCO | BOTHEN CORP | | | SCAC3 |
| 8517 | BOCO | BOC OIL CO INC | | | SCAC4 |
| 8518 | BOCP | BECK OIL COMPANY INC | | | SCAC3 |
| 8519 | BOCQ | BAILEY OIL CO INC | | | SCAC3 |
| 8520 | BOCT | The Baltimore and Ohio Chicago Terminal R.R. Co. | 1/1975-7/2005 | | NAKINA |
| 8521 | BOCT | The Baltimore and Ohio Chicago Terminal R.R. Co. | 1/75-7/2000 | | NRHS |
| 8522 | BOCT | BALTIMORE & OHIO CHICAGO TERMINAL RAILROAD | | | PWRC |
| 8523 | BOCT | Baltimore and Ohio Chicago Terminal Railroad (CSX Transportation) | | | RSRV |
| 8524 | BOCT | BALTIMORE AND OHIO CHICAGO TERMINAL | | | SCAC3 |
| 8525 | BOCU | LINDE GAS & EQUIPMENT INC | | USA | BIC |
| 8526 | BOCU | Linde LLC | | | RSRV |
| 8527 | BOCU | BOC GROUP INC, THE | | | SCAC4 |
| 8528 | BOCV | BONCASTER CO. S.A | | | SCAC3 |
| 8529 | BOCW | BOUIE CONSTRUCTION INC | | | SCAC3 |
| 8530 | BOCW | BARIBAULT OIL CO INC | | | SCAC4 |
| 8531 | BOCX | BOC Gases | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 8532 | BOCX | BOC Gases | added 1/2000; 7/2000 | | NRHS |
| 8533 | BOCX | BOC GASES | | | PWRC |
| 8534 | BOCX | BOC Gases | | | RSRV |
| 8535 | BOCX | TRANS GLOBAL SOLUTIONS INC | | | SCAC4 |
| 8536 | BOCY | Boat Co. | added 5/1983; eliminated 1/1988 | | NAKINA |
| 8537 | BOCY | Boat Co. | added 5/83; eliminated 1/88 | | NRHS |
| 8538 | BOCY | BOAT COMPANY | | | PWRC |
| 8539 | BOCY | Boat Company | | | RSRV |
| 8540 | BOCY | BROWN OIL COMPANY | | | SCAC4 |
| 8541 | BOCZ | BALLARD OIL COMPANY | | | PWRC |
| 8542 | BOD | Bond Air Services Ltd. | Callsign: Ugabond, | EAU | AVCODES |
| 8543 | BOD | Bond Air Services | | | ICAO1 |
| 8544 | BOD | Bodensee-Oberschwaben-Bahn (BOB) | | D | TRAFFIC |
| 8545 | BODB | BOYD BROTHERS TRANSPORTATION CO, IN | | | SCAC3 |
| 8546 | BODB | BOYD BROS TRANSPORTATION INC | | | SCAC4 |
| 8547 | BODC | BODENHAMER, CARROLL | | | SCAC3 |
| 8548 | BODD | BORDERS, EARL D | | | SCAC3 |
| 8549 | BODE | BROWN, DEAN H | | | SCAC3 |
| 8550 | BODE | BEST OIL DISTRIBUTING | | | SCAC4 |
| 8551 | BODG | BRODRENE KLOVNING | | | SCAC3 |
| 8552 | BODH | BODO HOLDING CORPORATION | | | SCAC4 |
| 8553 | BODI | BOONES DELIVERY | | | SCAC3 |
| 8554 | BODJ | BODERERO, DARRELL J | | | SCAC3 |
| 8555 | BODK | BRODKORB, LARRY D | | | SCAC3 |
| 8556 | BODK | BODI, RICK HORSE TRANSPORT | | | SCAC4 |
| 8557 | BODL | BOUCHARD, DANIEL | | | SCAC4 |
| 8558 | BODM | BONDED WAREHOUSES OF MONROE | | | SCAC3 |
| 8559 | BODM | BOURNS DE MEXICO SA DE CV | | | SCAC4 |
| 8560 | BODN | BOUDREAU, LIONEL C TRUCKING | | | SCAC3 |
| 8561 | BODO | BODO TRANSPORT INC | | | SCAC3 |
| 8562 | BODO | BODO TRANSPORT INC | | | SCAC4 |
| 8563 | BODP | BODIE CORP | | | SCAC3 |
| 8564 | BODQ | BODWELL TRUCKING CO | | | SCAC3 |
| 8565 | BODR | BOULDER VALLEY TRANSFER | | | SCAC3 |
| 8566 | BODS | BONNELL REPAIR & TOWING INC | | | SCAC3 |
| 8567 | BODS | BONNELL REPAIR & TOWING INC | | | SCAC4 |
| 8568 | BODT | BOISE DELIVERY & TRANSFER INC | | | SCAC3 |
| 8569 | BODU | SPEDITION BODE GMBH & CO. KG | | D | BIC |
| 8570 | BODV | BOLTON DELIVERY | | | SCAC3 |
| 8571 | BODV | BOYD BROS TRANSPORTATION INC (DEDIC | | | SCAC4 |
| 8572 | BOE | Boeing Commercial Airplane Group | Callsign: Boeing, | USA | AVCODES |
| 8573 | BOE | Boeing | | | ICAO1 |
| 8574 | BOE | Boeing | | USA | TRAFFIC |
| 8575 | BOEA | BOESE, ART & SONS | | | SCAC3 |
| 8576 | BOEA | BOE, ANDY TRUCKING LLC | | | SCAC4 |
| 8577 | BOEB | BOENING BROS INC | | | SCAC4 |
| 8578 | BOEC | BROOKS EXCAVATING | | | SCAC3 |
| 8579 | BOEC | BOECKMANS | | | SCAC4 |
| 8580 | BOED | BORDER DISTRIBUTING COMPANY | | | SCAC3 |
| 8581 | BOEE | B O EXPRESS/STROTHMAN | | | SCAC3 |
| 8582 | BOEE | BOEING COMPANY, THE | | | SCAC4 |
| 8583 | BOEG | BOERS REPUBLIC MOVING & STORAGE INC | | | SCAC3 |
| 8584 | BOEG | Bocholter Eisenbahn Gesellschaft mbH | | D | TRAFFIC |
| 8585 | BOEG | Bocholter Eisenbahngesellschaft mbH | | DE | VKM |
| 8586 | BOEH | BOEHMER TRANSPORTATION CORP | | | SCAC3 |
| 8587 | BOEI | BOZEL ENTERPRISES INC | | | SCAC4 |
| 8588 | BOEL | BOELK, R. H | | | SCAC3 |
| 8589 | BOEL | BOELK, R H TRUCK LINES INC | | | SCAC4 |
| 8590 | BOELS | Wolfgang Bölstler Baumaschinenverleich | | DE | VKM |
| 8591 | BOEM | BORDER MOVING CO | | | SCAC3 |
| 8592 | BOEN | BOERMAN MOVING & STORAGE | | | SCAC3 |
| 8593 | BOEN | BOERMAN MOVING & STORAGE | | | SCAC4 |
| 8594 | BOEO | BOEHLE'S EXPRESS, INC | | | SCAC3 |
| 8595 | BOEP | BOULTER ENTERPRISES | | | SCAC3 |
| 8596 | BOEQ | BOVAS EXPRESS | | | SCAC3 |
| 8597 | BOER | BOERS TRANSFER | | | SCAC3 |
| 8598 | BOES | BEST OVERNITE EXPRESS INC | | | SCAC3 |
| 8599 | BOET | BOETEL TRANSFER LLC | | | SCAC4 |
| 8600 | BOEW | BOOTH, EDWIN JR | | | SCAC3 |
