| Business | Phone |
| World Diabetic Research Fndtn 12101 31st Ct N, St Petersburg 33716 | (727) 561-9602 |
| Valid Results Inc 7201 1st Ave S, St Petersburg 33707 | (727) 347-1353 |
| Midwest Research Of Michigan 1401 61st Ave N, St Petersburg 33703 | (727) 896-4175 |
| Cns Clinical Trials 9887 4th St N # 200, St Petersburg 33702 | (727) 576-8474 |
| Drilling Down Project 1224 24th Ave N, St Petersburg 33704 | (727) 360-2837 |