| 1 | BPCB | BEAVER PACKAGING & CRATING INC | | | SCAC4 |
| 2 | BPCI | BPC TRUCKING INC | | | SCAC4 |
| 3 | BPCL | BROSTROM SHIPPING COMPANY, LTD. | | | SCAC3 |
| 4 | BPCL | BAR T DIAMOND TRANSPORT LTD | | | SCAC4 |
| 5 | BPCM | BEST PRODUCTS CO INC | | | SCAC3 |
| 6 | BPCM | B H EXPRESS | | | SCAC4 |
| 7 | BPCN | BROWN, C TRUCKING | | | SCAC4 |
| 8 | BPCO | BASAPCO INC | | | SCAC3 |
| 9 | BPCP | BAKER PETROLITE CORPORATION | | | SCAC4 |
| 10 | BPCQ | BERGS PETROLEUM CARRIERS | | | SCAC3 |
| 11 | BPCQ | BORING TRANSPORT INC | | | SCAC4 |
| 12 | BPCS | BERING PACIFIC SERVICES COMPANY | | | SCAC4 |
| 13 | BPCT | BURKE & PACE TRUCKING INC | | | SCAC3 |
| 14 | BPCU | BSS CO.,LTD | | ROK | BIC |
| 15 | BPCU | B P CHEMICALS BELGIUM | | | PWRC |
| 16 | BPCU | BP Chemicals Belgium | | | RSRV |
| 17 | BPCU | B.P. CHEMICALS BELGIUM | | | SCAC3 |
| 18 | BPCX | Basin Electric Power Cooperative | 1/1994-7/2005 (not listed) | | NAKINA |
| 19 | BPCX | McKesson & Robbins, Inc. | added 10/1963; eliminated 7/1965 | | NAKINA |
| 20 | BPCX | B.P. Clapp Ammonia Co. | 8/1920-7/1923 | | NAKINA |
| 21 | BPCX | Barada & Page, Inc. | added 4/1958; 4/1961; eliminated 10/1963 | | NAKINA |
| 22 | BPCX | Barada & Page, Inc. | Apr-61 | | NRHS |
| 23 | BPCX | McKesson & Robbins, Inc. | eliminated 7/65 | | NRHS |
| 24 | BPCX | Basin Electric Power Cooperative | 1/94-7/2000 | | NRHS |
| 25 | BPCX | *B. P. CLAPP AMMONIA CO. | | | PWRC |
| 26 | BPCX | *BARADA & PAGE, INC. | | | PWRC |
| 27 | BPCX | *MCKESSON & ROBBINS, INC. | | | PWRC |
| 28 | BPCX | +BASIN ELECTRIC POWER COOPERATIVE | | | PWRC |
| 29 | BPCX | Basin Electric Power Cooperative | | | RSRV |
| 30 | BPCX | BASIN ELECTRIC POWER | | | SCAC4 |
| 31 | BPCZ | BOWATER PAPER CO. | | | PWRC |
