| Business | Phone |
| Bristol Environmental Inc 600 Grant St, Pittsburgh 15219 | (412) 566-2901 |
| Canfield Development Inc 2536 Library Rd, Pittsburgh 15234 | (412) 885-7428 |
| Environmental & Safety Train 12000 Frankstown Rd # 102, Pittsburgh 15235 | (412) 795-5532 |
| Keystone Abatement Svc 7524 Washington Ave, Pittsburgh 15218 | (412) 271-0581 |
| Lvi Environmental Svc Inc 201 Parkway View Dr, Pittsburgh 15205 | (412) 655-4200 |
| Pdg Environmental Inc 1386 Beulah Rd # 801, Pittsburgh 15235 | (412) 243-3200 |
| Phase One Development Corp 1343 Renton Rd, Pittsburgh 15239 | (412) 798-3881 |