| GSB44X | 14541 | COOPER MACHINERY SERVICES LLC |
| GSBA44-1HPC121 | 14541 | COOPER MACHINERY SERVICES LLC |
| GSBA44-1PC121 | 14541 | COOPER MACHINERY SERVICES LLC |
| GSBC44APC25 | 14541 | COOPER MACHINERY SERVICES LLC |
| GSBC44PC25 | 14541 | COOPER MACHINERY SERVICES LLC |
| GSBD44APC132 | 14541 | COOPER MACHINERY SERVICES LLC |
| GSBD44PC132 | 14541 | COOPER MACHINERY SERVICES LLC |
| GSBF44EPC129 | 14541 | COOPER MACHINERY SERVICES LLC |
| GSBF44PC129 | 14541 | COOPER MACHINERY SERVICES LLC |
| LS44BB | 14541 | COOPER MACHINERY SERVICES LLC |
| LS44BB | 88080 | COOPER CAMERON CORP COOPER BESSEMER RECIPROCATING PRODUCTS DIV |