| Business | Phone |
| Redpoint Research 11045 N 19th Ave, Phoenix 85029 | (602) 395-1200 |
| Radiant Research 333 W Thomas Rd # 100, Phoenix 85013 | (602) 277-9256 |
| Radiant Research 6707 N 19th Ave, Phoenix 85015 | (602) 246-1965 |
| Psy Pharma Clinical Research 4045 E Union Hills Dr, Phoenix 85050 | (602) 992-3115 |
| Phoenix Center For Clinical 6707 N 19th Ave # 201, Phoenix 85015 | (602) 347-7000 |
| Clinical Trials 4045 E Bell Rd, Phoenix 85032 | (602) 494-2411 |
| Endomed Inc 10220 S 51st St # 1, Phoenix 85044 | (480) 753-1274 |
| Hope Research Institute 13832 N 32nd St # 150, Phoenix 85032 | (602) 288-4673 |
| Strong Heart Study 1616 E Indian School Rd # 250, Phoenix 85016 | (602) 277-0488 |
| Southwest Autism Research 300 N 18th St, Phoenix 85006 | (602) 253-4817 |