| Business | Phone |
| Aliquippa Machine Co 21 Century Dr, Ambridge 15003 | (724) 251-1880 |
| Economy Tooling Corp Of Pa 1703 Ridge Road Ext, Ambridge 15003 | (724) 266-4545 |
| Jobco 800 Keystone Rd, Ambridge 15003 | (724) 266-3210 |
| Markaloy Manufacturing Co 66 Beech St, Ambridge 15003 | (724) 266-9532 |