| 1 | BRKX | M. Corp. Management Solutions, Inc. | added 10/1989; eliminated 4/1990 | | NAKINA |
| 2 | BRKX | Petroleum Products, Inc. | added 7/1988; eliminated 10/1989 | | NAKINA |
| 3 | BRKX | Burke Energy Corp. | added 4/1982; eliminated 7/1988 | | NAKINA |
| 4 | BRKX | Burke Energy Corp. | added 4/82; eliminated 7/88 | | NRHS |
| 5 | BRKX | Petroleum Products, Inc. | added 7/88; eliminated 10/89 | | NRHS |
| 6 | BRKX | M. Corp. Management Solutions, Inc. | added 10/89; eliminated 4/90 | | NRHS |
| 7 | BRKX | RETIRED 02-28-91 FET (1661) [BURKE ENERGY CORP.; PETROLEUM PRODUCTS, INC.; M. CORP. MANAGEMENT SOLUTIONS] | | | PWRC |
| 8 | BRKX | Burke Energy Corporation | | | RSRV |