| Business | Phone |
| Dietrich Industries Inc 500 Grant St # 2226, Pittsburgh 15219 | (412) 281-2805 |
| Environmental Air Inc 1100 Mccartney St, Pittsburgh 15220 | (412) 922-8988 |
| K & I Sheet Metal Inc 2010 Chapman St, Pittsburgh 15215 | (412) 781-8111 |
| Karl Fahrion Sheet Metal Inc 1000 Constance St, Pittsburgh 15212 | (412) 321-1233 |
| Lifetime Home Products 2639 Spruce Way, Pittsburgh 15222 | (412) 471-1500 |
| Rutledge Equipment Co 836 W North Ave, Pittsburgh 15233 | (412) 341-0452 |
| Ssm Industrial Inc 3401 Grand Ave, Pittsburgh 15225 | (412) 322-6700 |