Ontario, CA Drug Test Services


Ontario, CA Drug Screening & Workplace Testing Services

Why Choose WSI in Ontario, CA?

Our Services in Ontario, CA

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 Ontario, CA

NameAddressCityStateZIP Code
WSI Testing Location 1101 S. MILLIKEN


Ontario


California


91761

WSI Testing Location 1910 South Archibald Avenue


Ontario


California


91761

WSI Testing Location 2171 South Grove Avenue


Ontario


California


91761

WSI Testing Location 3550 E PHILADELPHIA ST


ONTARIO


California


91761

WSI Testing Location 402 S Milliken Ave


Ontario


California


91761

WSI Testing Location 59 S Milliken Ave


Ontario


California


91761

WSI Testing Location 601 South Milliken Avenue


Ontario


California


91761

WSI Testing Location 1236 Brooks Street


Ontario


California


91762

WSI Testing Location 754 N. MOUNTAIN AVE.


Ontario


California


91762

WSI Testing Location 990 Ontario Mills Drive


Ontario


California


91762

WSI Testing Location 2920 INLAND EMPIRE BLVD # 108


ONTARIO


California


91764

WSI Testing Location 3200 Inland Empire Blvd


Ontario


California


91764

WSI Testing Location 750 N. ARCHIBALD AVE


Ontario


California


91764