| Business | Phone |
| B & W Machine Works 550 California Rd # 9, Quakertown 18951 | (215) 529-2990 |
| Bless Precision Tool 80 Pacific Dr, Quakertown 18951 | (215) 536-7836 |
| Central Machine Co Inc 27 S 4th St, Quakertown 18951 | (215) 536-5071 |
| Dawn Machine & Tool Inc 2065 Grant Rd, Quakertown 18951 | (215) 536-3023 |
| Valley Precision Inc 195 Penn Am Dr, Quakertown 18951 | (215) 536-0676 |
| Vertech International Inc 420 Station Rd, Quakertown 18951 | (215) 536-4873 |
| Dhl Machine Co 1035 N West End Blvd, Quakertown 18951 | (215) 536-3597 |
| Dhl Machine Co 2450 Milford Square Pike, Quakertown 18951 | (215) 536-3591 |
| Eisenhower Tool Inc 120 Pacific Dr, Quakertown 18951 | (215) 538-9381 |
| Precision Products Ltd 2365 Milford Square Pike, Quakertown 18951 | (215) 538-1795 |
| John Prosock Machine 2250 Trumbauersville Rd, Quakertown 18951 | (215) 804-0321 |
| Panel Technologies Inc 550 California Rd # 2, Quakertown 18951 | (215) 538-7055 |
| Mickelson Manufacturing 550 California Rd # 5, Quakertown 18951 | (215) 529-5442 |
| Millennium Manufacturing Inc 30 Pacific Dr, Quakertown 18951 | (215) 536-3006 |