Sioux City, Iowa Drug Test Services


Sioux City, Iowa Drug Screening & Workplace Testing Services

Why Choose WSI in Sioux City, Iowa?

Our Services in Sioux City, Iowa

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 Sioux City, Iowa

NameAddressCityStateZIP Code
WSI Testing Location3100 South Lakeport Street Sioux City Iowa 51106
WSI Testing Location3500 Singing Hills Boulevard Sioux City Iowa 51106
WSI Testing Location5885 Sunnybrook Drive Sioux City Iowa 51106
WSI Testing Location4230 War Eagle Drive Sioux City Iowa 51109
WSI Testing Location3410 FUTURES DRIVES Sioux City Iowa 68776