| Business | Phone |
| Affordable Services Inc 5353 Page Dr, Pittsburgh 15236 | (412) 885-7120 |
| Audubon Society Of Western Pa 614 Dorseyville Rd, Pittsburgh 15238 | (412) 963-6100 |
| Citizen Power Inc 2121 Murray Ave # 3, Pittsburgh 15217 | (412) 421-6072 |
| Clean Air Council Pittsburgh 15222 | (412) 392-0550 |
| Clean Water Action 100 5th Ave, Pittsburgh 15222 | (412) 765-3053 |
| Friends Of The Riverfront 33 Terminal Way, Pittsburgh 15219 | (412) 488-0212 |
| Horticultural Society 6010 Penn Cir S, Pittsburgh 15206 | (412) 361-8677 |
| Human Ecosystems Resources 5821 Elmer St, Pittsburgh 15232 | (412) 441-8778 |
| Nine Mile Run Water Shed Assn 1400 S Braddock Ave, Pittsburgh 15218 | (412) 371-8779 |
| Pennsylvania Environmental Cnc 22 Terminal Way, Pittsburgh 15219 | (412) 481-9400 |
| React Environmental Svc Inc 2810 Preble Ave, Pittsburgh 15233 | (412) 321-6197 |
| Western Pa Cnsrvncy 209 4th Ave, Pittsburgh 15222 | (412) 288-2777 |