| Business | Phone |
| Natural Resources Conservation 875 Greentree Rd # 201, Pittsburgh 15220 | (412) 922-4448 |
| Us Army Corps Of Engineers Pittsburgh 15222 | (412) 395-7100 |
| Us Geological Survey 1000 Church Hill Rd, Pittsburgh 15205 | (412) 490-3800 |
| Us Interior Dept 3 Parkway Ctr, Pittsburgh 15220 | (412) 937-2815 |
| Us Plant Protection Pittsburgh Intl Airport, Pittsburgh 15231 | (412) 355-2566 |