| 1381 | Bus Parts | Company Product |
| 1382 | Bus Rental | Company Product |
| 1383 | Bus Bodies | Company Product |
| 1384 | Bus Express | Company Product |
| 1385 | Bus Lines | Company Product |
| 1386 | Bus Air Conditioning Equipment | Company Product |
| 1387 | Burnishing Machines | Company Product |
| 1388 | Bursting Discs | Company Product |
| 1389 | Bursters | Company Product |
| 1390 | Burners | Company Product |
| 1391 | Burner Management Systems | Company Product |
| 1392 | Burn-in Systems | Company Product |
| 1393 | Burner Controls | Company Product |
| 1394 | Burner Ignitors | Company Product |
| 1395 | Burn-in Sockets | Company Product |
| 1396 | Burn-in Probes | Company Product |
| 1397 | Burn-in Service | Company Product |
| 1398 | Burn-in Switching Power Supplies | Company Product |
| 1399 | Burn-in Board Loaders & Unloaders | Company Product |
| 1400 | Bullhorns | Company Product |
| 1401 | Bulletin Charts | Company Product |
| 1402 | Bulldozers | Company Product |
| 1403 | Bulk Material Conveyors | Company Product |
| 1404 | Bullet Proof Protective Materials | Company Product |
| 1405 | Bulldozers Parts | Company Product |
| 1406 | Bulletin & Directory Boards | Company Product |
| 1407 | Bulldozer Rental | Company Product |
| 1408 | Bulk Liquid Storage & Handling | Company Product |
| 1409 | Bulk Handling Equipment | Company Product |
| 1410 | Building Structure Steel Fabricators | Company Product |