| Business | Phone |
| Bedeck Drafting Svc 4275 Evergreen Rd, Pittsburgh 15214 | (412) 931-2995 |
| Bettan Drafting & Design 228 Provost Rd, Pittsburgh 15227 | (412) 885-1134 |
| Cadnetics Group Inc 307 4th Ave # 903, Pittsburgh 15222 | (412) 642-2701 |
| Demcorp 530 Oakwood St, Pittsburgh 15208 | (412) 243-5779 |
| Echo Graphics & Drafting 345 4th Ave, Pittsburgh 15222 | (412) 594-4157 |
| Echo Productivity Solutions Co 2350 Noblestown Rd, Pittsburgh 15205 | (412) 920-6360 |
| Frank F Mercurio & Assoc 8095 Saltsburg Rd, Pittsburgh 15239 | (412) 793-9366 |
| Tower Drafting Svc 4739 Butler St, Pittsburgh 15201 | (412) 682-7617 |
| W T Harding Co 4700 Clairton Blvd, Pittsburgh 15236 | (412) 884-4144 |