| Business | Phone |
| Giesler Engineering 723 Mount Rd, Aston 19014 | (610) 459-2030 |
| Hartzell Machine Works Inc 3354 Market St, Aston 19014 | (610) 485-3502 |
| New Way Precision 50 Mcdonald Blvd, Aston 19014 | (610) 497-2210 |
| Pa Machine Works Bethel Rd, Aston 19014 | (610) 497-0935 |
| R J Machine Co 3355 Market St, Aston 19014 | (610) 494-8107 |