Knoxville, Tennessee Drug Test Services


Knoxville, Tennessee Drug Screening & Workplace Testing Services

Why Choose WSI in Knoxville, Tennessee?

Our Services in Knoxville, Tennessee

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 Knoxville, Tennessee

NameAddressCityStateZIP Code
WSI Testing Location1300 Old Weisgarber Rd Knoxville Tennessee 37909
WSI Testing Location4028 Papermill Drive Northwest Knoxville Tennessee 37909
WSI Testing Location4605 Papermill Dr Knoxville Tennessee 37909
WSI Testing Location206 Cedar Lane Knoxville Tennessee 37912
WSI Testing Location6606 Clinton Highway Knoxville Tennessee 37912
WSI Testing Location901 Merchant Drive Knoxville Tennessee 37912
WSI Testing Location2725 ASBURY RD STE 103 Knoxville Tennessee 37914
WSI Testing Location2725 East Governor John Sevier Highway Knoxville Tennessee 37914
WSI Testing Location4306 ASHEVILLE HWY Knoxville Tennessee 37914
WSI Testing Location1515 East Magnolia Avenue Knoxville Tennessee 37917
WSI Testing Location5150 North Broadway Street Knoxville Tennessee 37918
WSI Testing Location1645 Downtown West Boulevard Knoxville Tennessee 37919
WSI Testing Location4206 Sutherland Avenue Knoxville Tennessee 37919
WSI Testing Location6108 Kingston Pike Knoxville Tennessee 37919
WSI Testing Location1924 Alcoa Highway Knoxville Tennessee 37920
WSI Testing Location7564 Chapman Highway Knoxville Tennessee 37920
WSI Testing Location1826 AILOR AVE Knoxville Tennessee 37921
WSI Testing Location9203 Kingston Pike Knoxville Tennessee 37922
WSI Testing Location9536 South Northshore Drive Knoxville Tennessee 37922
WSI Testing Location9080 Barbee Lane Knoxville Tennessee 37923
WSI Testing Location9135 Middlebrook Pike Knoxville Tennessee 37923
WSI Testing Location5917 RUTLEDGE BLVD Knoxville Tennessee 37924
WSI Testing Location8712 ASHEVILLE HWY Knoxville Tennessee 37924
WSI Testing Location1 Veterans Way Knoxville Tennessee 37931