Seattle, Washington Drug Test Services


Seattle, Washington Drug Screening & Workplace Testing Services

Why Choose WSI in Seattle, Washington?

Our Services in Seattle, Washington

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 Seattle, Washington

NameAddressCityStateZIP Code
WSI Testing Location509 Olive Way Seattle Washington 98101
WSI Testing Location5300 Tallman Ave NW Seattle Washington 98107
WSI Testing Location650 S. ORCAS STREET Seattle Washington 98108
WSI Testing Location3820 Rainier Avenue South Seattle Washington 98118
WSI Testing Location1512 Broadway Seattle Washington 98122
WSI Testing Location836 Northeast Northgate Way Seattle Washington 98125
WSI Testing Location3223 1st Avenue South Seattle Washington 98134
WSI Testing Location4636 East Marginal Way South Seattle Washington 98134
WSI Testing Location13030 Military Road South Seattle Washington 98168