| Business | Phone |
| Almatis Inc 811 Camp Horne Rd # 200, Pittsburgh 15237 | (412) 367-2878 |
| American Chemical Society 337 4th Ave, Pittsburgh 15222 | (412) 261-4300 |
| Ameritex Chemical & Coating 436 7th Ave, Pittsburgh 15219 | (412) 232-3270 |
| Chemical Separation Tech Inc 68 Wabash St, Pittsburgh 15220 | (412) 922-7304 |
| Penn Specialty Chemicals 805 Mcknight Park Dr, Pittsburgh 15237 | (412) 366-4566 |
| Sanyo Chemical Resins 2200 E Carson St, Pittsburgh 15203 | (412) 384-5700 |