| Business | Phone |
| Global Drug Testing Svc 522 Chester Ave, Bakersfield 93301 | (661) 323-8029 |
| National Toxicology Labs Inc 1100 California Ave, Bakersfield 93304 | (661) 322-4250 |
| Accutest Drug & Alcohol Testng 3845 Stockdale Hwy # 219, Bakersfield 93309 | (661) 703-3613 |
| Bakersfield Drug Testing 930 Truxtun Ave, Bakersfield 93301 | (661) 321-0439 |
| Contraband Control Specialists 26 H St, Bakersfield 93304 | (661) 834-2003 |
| Zee Consulting Assoc 2200 Oak St, Bakersfield 93301 | (661) 322-3363 |
| Acuc Test 2623 F St # K, Bakersfield 93301 | (661) 323-6301 |