| 1 | BSTX | Trinitas Corp. | added 1/1980; 1/1980-1/1994; eliminated 1/1995; 7/2000-7/2005 (not listed) | | NAKINA |
| 2 | BSTX | Trinitas Corp. | added 1/80; 1/80-1/94; eliminated 1/95; 7/2000 | | NRHS |
| 3 | BSTX | *BUDWEISER SKI TRAIN | | | PWRC |
| 4 | BSTX | +TRINITAS CORPORATION (BAY STATE MILLING CO. - LESSEE) | | | PWRC |
| 5 | BSTX | Bay State Milling (Trinitas Corporation) | | | RSRV |
| 6 | BSTX | TRINITAS CORPORATION | | | SCAC4 |
