| Business | Phone |
| Ace Machine 6663 Tilghman St, Allentown 18106 | (610) 398-3988 |
| B & R Fabrication & Machine 213 S Jefferson St, Allentown 18102 | (610) 820-0410 |
| Bethlehem Maintenance Svc 1001 Spring Garden St, Allentown 18102 | (610) 433-6364 |
| Daven-Sharpe Machine Products 817 N Gilmore St, Allentown 18109 | (610) 821-4022 |
| Dws Technologies 905 Harrison St, Allentown 18103 | (610) 770-8872 |
| F/X Machining 1417 E Woodlawn St, Allentown 18109 | (610) 432-3935 |
| George's Machine Shop 161 Furnace St, Allentown 18102 | (610) 433-2626 |
| Ibe Ltd 2200 W Hamilton St, Allentown 18104 | (610) 770-0808 |
| Kemmerer's Machine Shop 430 Business Park Ln, Allentown 18109 | (610) 432-7333 |
| L & P Machine Shop Inc 1503 E Woodlawn St, Allentown 18109 | (610) 439-6044 |
| L Coster Co 848 N New St, Allentown 18102 | (610) 432-7890 |
| Lamm's Machine Inc 3216 Berger St, Allentown 18103 | (610) 797-2023 |
| Lbg Machine Inc 744 E Highland St, Allentown 18109 | (610) 770-2550 |
| Lynar Co 6837 Patterson Ct, Allentown 18106 | (610) 395-3155 |
| M I Products 404 Union Blvd, Allentown 18109 | (610) 770-1881 |
| Mancor Inc 160 Olin Way, Allentown 18106 | (610) 398-2300 |
| Mechanical Service Co Inc 710 N Jefferson St, Allentown 18102 | (610) 434-7466 |
| Trinity Manufacturing Techs 301 W Cedar St, Allentown 18102 | (610) 821-3970 |
| Valley Precision Machine Inc 526 N 18th St, Allentown 18104 | (610) 439-0229 |
| Wagner & Sons Machine 420 Business Park Ln, Allentown 18109 | (610) 434-6640 |
| Ramsay Machine Development 527 N Madison St, Allentown 18102 | (610) 432-6061 |
| Rokate Machine 827 N Meadow St, Allentown 18102 | (610) 432-1830 |