| 1 | MWPX | Murco Wall Products Inc. | 7/2005 (not listed) | | NAKINA |
| 2 | MWPX | Pasbro Holding Co. | added 7/1969; 4/1970-1/1975; eliminated 4/1978 | | NAKINA |
| 3 | MWPX | Pasbro Holding Co. | added 7/69; 4/70-1/75; eliminated 4/78 | | NRHS |
| 4 | MWPX | *PASBRO HOLDING CO. | | | PWRC |
| 5 | MWPX | +MURCO WALL PRODUCTS, INC. | | | PWRC |
| 6 | MWPX | Murco Wall Products | | | RSRV |