| ALSTON MACHINE COMPANY INC | 2 COMMERCE DR PITTSBURGH, PA | (412) 795-1000 |
| BOEH TOOL & DIE CO INC | 520 MCNEILLY RD PITTSBURGH, PA | (412) 344-8111 |
| C & J MACHINE & TOOL CO | 4845 HARRISON ST PITTSBURGH, PA | (412) 687-5501 |
| CAMPBELL MACHINE & FABRICATING | 3262 CLEMENTS RD PITTSBURGH, PA | (412) 793-6068 |
| CROMIE MACHINE AND TOOL CO INC | 4800 HARRISON ST PITTSBURGH, PA | (412) 683-4086 |
| D & R MACHINE CO | 668 COCHRANS ML RD PITTSBURGH, PA | (412) 655-4452 |
| DOWNING MACHINES INC | 467 W 8 AVE PITTSBURGH, PA | (412) 461-0580 |
| FESSLER MACHINE CO | 106 MCKNIGHT PARK DR PITTSBURGH, PA | (412) 367-3663 |
| FURMANEK MACHINE COMPANY INC | AIKEN RD AND MC KEES # R PITTSBURGH, PA | (412) 787-5377 |
| GATO VALVE CO | 916 BEHAN ST PITTSBURGH, PA | (412) 231-3228 |
| GAZZAM H P MACHINE CO | 3200 PENN AVE PITTSBURGH, PA | (412) 471-6647 |
| GRIFFIN A G JR CO | 1006 OLD GATE RD PITTSBURGH, PA | (412) 244-9556 |
| JACKSON GEAR COMPANY | ROUTE 8 PITTSBURGH, PA | (412) 487-8355 |
| KRAVITCH MACHINE CO | 50 MCNEILLY RD PITTSBURGH, PA | (412) 882-6262 |
| L & M MACHINE CO | 947 OLD FRANKSTOWN RD PITTSBURGH, PA | (724) 733-2283 |
| LEONARD TOOL CO | 445 CASTLE SHANNON BLVD PITTSBURGH, PA | (412) 561-1665 |
| MATT MACHINE & MFG INC | 820 UNITY CENTER RD PITTSBURGH, PA | (412) 793-6020 |
| MCGEAR CO | ROUTE 910 PITTSBURGH, PA | (412) 767-5502 |
| PITTSBURGH CRANKSHAFT SERVICE INCORPORATED | 6515 HAMILTON AVE PITTSBURGH, PA | (412) 361-8585 |
| PITTSBURGH MACHINE & SUPPLY CO | 2131 N CHARLES ST PITTSBURGH, PA | (412) 321-0770 |
| RACE CAR SERVICE OF AMERICA INC | 2522 LIBRARY RD PITTSBURGH, PA | (412) 881-1000 |
| RISCO INDUSTRIES INC | ROUTE 910 PITTSBURGH, PA | (412) 767-4648 |
| S T M-RAYMOND CO | 201 E CARSON ST PITTSBURGH, PA | (412) 481-2410 |
| SCHUBERT RICHD | ROUTE 910 PITTSBURGH, PA | (412) 767-4648 |
| T J MACHINE CO | 157 49TH ST PITTSBURGH, PA | (412) 683-6838 |
| TMC PERFORMANCE PRODUCTS | 4040 LIBERTY AVE PITTSBURGH, PA | (412) 682-3102 |
| U-PARC MACHINE SERVICES | 1030 WILLIAM PITT WAY PITTSBURGH, PA | (412) 826-5069 |
| W G PRODUCTS | 8031 SALTSBURG RD PITTSBURGH, PA | (412) 795-7177 |
| ZALEC FRANK M INC | 1439 FIRTH ST PITTSBURGH, PA | (412) 322-3210 |