Chesterfield, Missouri Drug Test Services


Chesterfield, Missouri Drug Screening & Workplace Testing Services

Why Choose WSI in Chesterfield, Missouri?

Our Services in Chesterfield, Missouri

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 Chesterfield, Missouri

NameAddressCityStateZIP Code
WSI Testing Location17300 N Outer 40 Chesterfield Missouri 63005
WSI Testing Location17421 Chesterfield Airport Road Chesterfield Missouri 63005
WSI Testing Location700 Spirit of Saint Louis Boulevard Chesterfield Missouri 63005
WSI Testing Location16091 Swingley Ridge Rd Chesterfield Missouri 63017
WSI Testing Location224 S Woods Mill Rd Chesterfield Missouri 63017
WSI Testing Location224 South Woods Mill Road Chesterfield Missouri 63017