Merrillville, Indiana Drug Test Services


Merrillville, Indiana Drug Screening & Workplace Testing Services

Why Choose WSI in Merrillville, Indiana?

Our Services in Merrillville, Indiana

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 Merrillville, Indiana

NameAddressCityStateZIP Code
WSI Testing Location1574 East 85th Avenue Merrillville Indiana 46410
WSI Testing Location400 West Lincoln Highway Merrillville Indiana 46410
WSI Testing Location5843 Adams Street Merrillville Indiana 46410
WSI Testing Location6111 Harrison Street Merrillville Indiana 46410
WSI Testing Location7895 Broadway Merrillville Indiana 46410