| Business | Phone |
| American Industrial Mgmt & Sls 2500 Maryland Rd # 308, Willow Grove 19090 | (215) 657-8821 |
| Global Steel Corp 2500 Maryland Rd # 304, Willow Grove 19090 | (215) 659-8100 |
| Triad Metals Intl 2300 Computer Rd # A1, Willow Grove 19090 | (215) 784-0240 |
| Triad Steel Inc 2300 Computer Rd # A1, Willow Grove 19090 | (215) 784-0290 |