| Business | Phone |
| A G Griffin Jr Co 1006 Old Gate Rd, Pittsburgh 15235 | (412) 244-9556 |
| A M S Machine Svc 666 W 8 Ave, Pittsburgh 15201 | (412) 462-4644 |
| Alston Machine Co 2 Commerce Dr, Pittsburgh 15239 | (412) 795-1000 |
| Anderson Welding Co 141 Cherry St, Pittsburgh 15223 | (412) 781-0153 |
| Boeh Tool & Die Co 520 Mcneilly Rd, Pittsburgh 15226 | (412) 344-8111 |
| C & W Automotive & Machine 8507 Perry Hwy, Pittsburgh 15237 | (412) 364-7479 |
| Campbell Machine & Fabricating 3262 Clements Rd, Pittsburgh 15239 | (412) 793-6068 |
| Conrad Systems Inc 482 Davidson Rd, Pittsburgh 15239 | (412) 795-5268 |
| D & D Machine 931 Spring Garden Ave, Pittsburgh 15212 | (412) 322-6735 |
| Dobratz Machine Co 100 55th St, Pittsburgh 15201 | (412) 784-1380 |
| Evans Machine Co 3190 Leechburg Rd, Pittsburgh 15239 | (412) 793-2220 |
| Fessler Machine Co 105 Mcknight Park Dr, Pittsburgh 15237 | (412) 367-3663 |
| H P Gazzam Machine Co 3200 Penn Ave, Pittsburgh 15201 | (412) 471-6647 |
| J B Machine Co 5410 Harrison St, Pittsburgh 15201 | (412) 781-0606 |
| Kravitch Machine Co 50 Mcneilly Rd, Pittsburgh 15226 | (412) 882-6262 |
| L B Machine Shop 3500 Spring Garden Rd, Pittsburgh 15212 | (412) 321-4306 |
| M J Machining & Fabricating Co 50 S 25th St, Pittsburgh 15203 | (412) 381-3322 |
| Machine Age 3575 Bigelow Blvd, Pittsburgh 15213 | (412) 683-4666 |
| Matt Machine & Manufacturer Inc 820 Unity Center Rd, Pittsburgh 15239 | (412) 793-6020 |
| Mc Gear Co 969 Route 910, Pittsburgh 15238 | (412) 767-5502 |
| O'Brien's Machine & Welding Co 22 Spruce St, Pittsburgh 15202 | (412) 761-8880 |
| Penna Alloy Machining Co Freeport & Guyasuta Rdamp;, Pittsburgh 15215 | (412) 781-5890 |
| Raz Machine & Tool 201 N Braddock Ave, Pittsburgh 15208 | (412) 247-4449 |
| Rock Machine Co 1301 Washington Blvd, Pittsburgh 15206 | (412) 793-5628 |
| T J Machine Co 157 49th St, Pittsburgh 15201 | (412) 683-6838 |
| W G Products 8031 Saltsburg Rd, Pittsburgh 15239 | (412) 795-7177 |
| X-Act Manufacturer Co 1998 Drennen Rd, Pittsburgh 15239 | (724) 339-4481 |
| Zia-Tech Gear Manufacturer Inc 2131 N Charles St, Pittsburgh 15214 | (412) 321-0770 |
| Race Car Svc Of America 2522 Library Rd, Pittsburgh 15234 | (412) 881-1000 |