| Business | Phone |
| A T Sciences 160 N Craig St, Pittsburgh 15213 | (412) 687-1181 |
| Aje Testing & Research 675 William Pitt Way, Pittsburgh 15238 | (412) 826-3035 |
| Alden Forbes Laboratories 4615 Butler St, Pittsburgh 15201 | (412) 621-8980 |
| Allegheny-Singer Research Inst 1 Allegheny Sq, Pittsburgh 15212 | (412) 359-1500 |
| B Datta Research 617 Tampico Ct, Pittsburgh 15239 | (412) 795-3693 |
| Capital Asset Research 429 Forbes Ave, Pittsburgh 15219 | (412) 456-0500 |
| Community Research Assocs 100 N Sheridan Ave, Pittsburgh 15206 | (412) 661-8289 |
| Ibacos 2214 Liberty Ave, Pittsburgh 15222 | (412) 765-3664 |
| National Surgical Adjuvant 201 N Craig St # 500, Pittsburgh 15213 | (412) 624-2666 |
| Pittsburgh Applied Research 100 William Pitt Way, Pittsburgh 15238 | (412) 826-5024 |
| Spectragenetics Llc 4415 5th Ave, Pittsburgh 15213 | (412) 802-6150 |
| Usc Research Assoc 1131 Boyce Rd, Pittsburgh 15241 | (724) 941-7229 |
| Wagner Laboratories 4201 Greensburg Pike, Pittsburgh 15221 | (412) 351-6960 |
| Wjc Research & Development 1460 Jefferson Heights Rd, Pittsburgh 15235 | (412) 824-3456 |
| Bill Zivic Pittsburgh 15237 | (412) 367-2100 |