| Business | Phone |
| Berks Precision Machine Corp 31 Catherine St, Reading 19607 | (610) 603-0948 |
| Elge Precision Machining Inc 360 Blair Ave, Reading 19601 | (610) 376-5458 |
| G & M Co Inc 1250 Roosevelt Ave, Reading 19606 | (610) 779-7812 |
| Hydrojet Services Inc 141 S 7th St, Reading 19602 | (610) 375-7500 |
| Intenths Industries Inc 16 Peach Ln, Reading 19606 | (610) 779-2462 |
| Laureldale Tool Co 3215 Holtry St, Reading 19605 | (610) 929-5406 |
| Leico Manufacturing Corp 981 River Rd, Reading 19601 | (610) 376-8288 |
| Mercury Machine & Tool Co 2700 Beltline Ave, Reading 19605 | (610) 929-4721 |
| Reading Automatic Machine Route 9, Reading 19605 | (610) 926-4146 |
| Ron Machine & Tool Co 699 Aviation Rd, Reading 19601 | (610) 375-9272 |
| Zeb Machine Co 5805 Leesport Ave, Reading 19605 | (610) 926-4766 |