| Business | Phone |
| Bio Numerik Pharmaceuticals 8122 Datapoint Dr, San Antonio 78229 | (210) 614-1701 |
| Biogenics Research Institute 8233 Fredericksburg Rd, San Antonio 78229 | (210) 614-2564 |
| Clinical Trials Of Texas Inc 7940 Floyd Curl, San Antonio 78229 | (210) 949-0122 |
| Diagnostics Research Group 4410 Medical Dr 360, San Antonio 78229 | (210) 692-7157 |
| Healthcare Discoveries 5282 Medical Dr 614, San Antonio 78229 | (210) 694-2273 |
| Quality Research Inc 303 W Sunset Rd 102, San Antonio 78209 | (210) 824-5678 |
| Sun Research Institute 730 N Main Ave 424, San Antonio 78205 | (210) 227-1289 |
| Pro-Research Group Llc 98 Briggs St 980, San Antonio 78224 | (210) 924-9435 |
| Genesis Clinical Research 19260 Stone Oak Pkwy, San Antonio 78258 | (210) 495-4335 |
| Keystone Clinical Research 9157 Huebner Rd, San Antonio 78240 | (210) 696-9706 |
| Quality Assurance Research Ctr 304 El Paso St, San Antonio 78207 | (210) 341-2002 |
| Synergy Research 7272 Wurzbach Rd 1003, San Antonio 78240 | (210) 545-7884 |
| Texas Medical Research Assoc 6547 Bandera Rd, San Antonio 78238 | (210) 521-7771 |
| Vertex Clinical Research 2318 W Gramercy Pl, San Antonio 78201 | (210) 692-5217 |