| Business | Phone |
| Atalanti Polymer Inc 1016 Constance St, Pittsburgh 15212 | (412) 321-7411 |
| Bruce Plastics Inc 4100 Steubenville Pike, Pittsburgh 15205 | (412) 922-9888 |
| Parker Plastics Corp 3585 Valley Dr, Pittsburgh 15234 | (412) 561-6902 |
| Reunion Industries Inc 11 Stanwix St # 1400, Pittsburgh 15222 | (412) 281-2111 |
| Stulette Plastics Inc 2250 Roswell Dr, Pittsburgh 15205 | (412) 921-2450 |