Denton, Texas Drug Test Services


Denton, Texas Drug Screening & Workplace Testing Services

Why Choose WSI in Denton, Texas?

Our Services in Denton, Texas

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 Denton, Texas

NameAddressCityStateZIP Code
WSI Testing Location1501 N. ELM ST. Denton Texas 76201
WSI Testing Location2310 West University Drive Denton Texas 76201
WSI Testing Location103 South Woodrow Lane Denton Texas 76205
WSI Testing Location725 S I 35 E Denton Texas 76205
WSI Testing Location4234 Interstate 35 Frontage Road Denton Texas 76207
WSI Testing Location2817 S Mayhill Rd Denton Texas 76208
WSI Testing Location608 North Bell Avenue Denton Texas 76209
WSI Testing Location3331 COLORADO BLVD Denton Texas 76210
WSI Testing Location3535 S. I35 E Denton Texas 76210
WSI Testing Location3751 SOUTH I-35 E Denton Texas 76210
WSI Testing Location4400 Teasley Lane Denton Texas 76210