| Abbreviation | Definition |
|---|---|
| BOZ | CSX Transportation |
| BOZ | CSX Transportation Incorporated |
| BPAX | U.S. Department of Energy Bonneville Power Admin. |
| BPAX | United States Department of Energy Bonneville Power Administration |
| BPAZ | Acme Markets |
| BPAZ | Acme Markets Incorporated |
| BPCU | B P Chemicals Belgium |
| BPCU | BP Chemicals Belgium |
| BPCX | Basin Electric Power Cooperative |
| BPIX | Buckeye Power (Nova Chemicals) |
| BPIX | Nova Chemicals Incorporated |
| BPL | Bellarine Peninsula Locomotive |
| BPLU | M1 Engineering |
| BPLU | M1 Engineering Limited |
| BPLX | Buckeye Power (Nova Chemicals) |
| BPLX | Nova Chemicals Limited |
| BPOX | BP Amoco Chemical (BP Oil Division) |
| BPOX | BP Oil Company |
| BPPX | Brewster Phosphates of Bradley, Florida (GATX) |
| BPPX | GATX Capital Corporation |