| Business | Phone |
| Alta Clinical Research 1842 W Grant Rd, Tucson 85745 | (520) 792-0211 |
| Biomedical Research Foundation 3601 S 6th Ave, Tucson 85723 | (520) 791-0217 |
| Biopsy Sciences 3355 E Fort Lowell Rd # 103, Tucson 85716 | (520) 325-9086 |
| Copasa 3912 S 6th Ave, Tucson 85714 | (520) 295-9339 |
| Denova Clinical Research 6261 N La Cholla Blvd, Tucson 85741 | (520) 219-6394 |
| Global Research Tech Llc 5250 E Pima St, Tucson 85712 | (520) 327-2711 |
| Ventana Research 2702 S 4th Ave, Tucson 85713 | (520) 882-8772 |
| Sonoran Skys Research Ctr 2055 N Kolb Rd, Tucson 85715 | (520) 721-0220 |
| Southwest Biomedical Research 5650 E 22nd St, Tucson 85711 | (520) 747-2861 |
| Research Corp 1919 S Country Club Rd, Tucson 85713 | (520) 881-4482 |
| Research Corp Technologies Inc 101 N Wilmot Rd # 600, Tucson 85711 | (520) 748-4400 |
| Physics Materials & Applied 1333 N Tyndall Ave # 212, Tucson 85719 | (520) 882-7349 |
| Photonik Research Inc 4626 E Fort Lowell Rd, Tucson 85712 | (520) 318-1700 |
| Nikon Research Corp Of America 12490 N Rancho Vistoso Blvd, Tucson 85755 | (520) 742-5015 |
| Northwest Research Assoc 2455 E Speedway Blvd # 204, Tucson 85719 | (520) 319-7773 |
| Optical Research Assoc 5210 E Williams Cir, Tucson 85711 | (520) 745-0733 |