Riverside, California Drug Test Services


Riverside, California Drug Screening & Workplace Testing Services

Why Choose WSI in Riverside, California?

Our Services in Riverside, California

Drug Test

Random Management Programs

Physical Exams

Specialized Testing

Expert Training Programs

Background Check Services

Core Services


Reason for Test


  • Pre-Employment Test
  • Random Test
  • Post-Accident Test
  • Reasonable Suspicion Test
  • Return to Duty Test
  • Follow-up Test
  • Periodic Test

Physicals & Health Testing


  • DOT Physical
  • Physical
    • Respirator Physicals: For workers who handle hazardous substances.
    • Pulmonary Function Test
    • OSHA Medical Questionnaire
    • Lift Test
    • Chest X-Rays
    • Kraus Weber
    • EKG
    • Vision Test
      • Vision Snellen
      • Vision Titmus
      • Vision Ishihara
      • Vision Jager
  • Titer Test
    • Hepatitis A
    • Hepatitis B
    • Hepatitis C
    • TransFERRON Gold Tuberculosis
    • Measles
  • Wellness Testing

Workplace Programs and Training


Additional Services


  • FMCSA Clearinghouse Support
  • Background Checks
    • County Background Search Check
    • State Background Search Check
    • Federal Background Search Check
    • Name Alias Background Search Check
    • Sex Offender Background Search Check
    • OIG Background Search Check
    • SSN Trace Background Search Check
    • Global Terror Watch List Background Search Check
    • Adverse Action Background Search Check Assistance

FMCSA Clearinghouse Compliance Support

Interested? Contact Us

Our Locations in Riverside, California

NameAddressCityStateZIP Code
WSI Testing Location4121 BROCKTON AVENUE Riverside California 92501
WSI Testing Location9041 Magnolia Ave Riverside California 92503
WSI Testing Location9041 Magnolia Avenue Riverside California 92503
WSI Testing Location10992 Magnolia Avenue Riverside California 92505
WSI Testing Location3579 Arlington Ave Riverside California 92506
WSI Testing Location4300 CENTRAL AVE Riverside California 92506
WSI Testing Location6600 Magnolia Avenue Riverside California 92506
WSI Testing Location6860 Brockton Avenue Riverside California 92506
WSI Testing Location6926 BROCKTON AVE STE 2 Riverside California 92506
WSI Testing Location1405 Spruce Street Riverside California 92507
WSI Testing Location1745 University Avenue Riverside California 92507
WSI Testing Location1760 Chicago Avenue Riverside California 92507
WSI Testing Location1960 Chicago Avenue Riverside California 92507
WSI Testing Location6200 Box Springs Blvd Riverside California 92507
WSI Testing Location8917 Trautwein Road Riverside California 92508
WSI Testing Location9263 Orco Parkway Riverside California 92509