| Business | Phone |
| Allegheny Land Surveying 1104 Princeton Rd, Pittsburgh 15205 | (412) 207-9182 |
| Craig Associates 152 Renfer St, Pittsburgh 15237 | (412) 621-9797 |
| Easton Surveying 1001 E Entry Dr # 301, Pittsburgh 15216 | (412) 563-4000 |
| Liadis Engineering & Surveying 3100 Banksville Rd # 2, Pittsburgh 15216 | (412) 341-6000 |
| Donald T Mann 1404 Wightman St, Pittsburgh 15217 | (412) 421-2382 |
| Pilston Surveying 152 Alcan Dr, Pittsburgh 15239 | (412) 798-6201 |
| Plum Surveyors 4183 Sardis Rd, Pittsburgh 15239 | (412) 795-8815 |
| Triangle Engineering & Plan 405 Mcneilly Rd # 201, Pittsburgh 15226 | (412) 561-8835 |
| Zoran Surveying & Geodetic 812 Vallevista Ave, Pittsburgh 15234 | (412) 344-7666 |
| Josheph Puskar 444 Perry Hwy, Pittsburgh 15229 | (412) 931-7100 |