78504 Drug Test Services


78504 Drug Screening & Workplace Testing Services

Why Choose WSI in 78504?

Our Services in 78504

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 78504

NameAddressCityStateZIP Code
WSI Testing Location2217 Primrose Avenue Mcallen Texas 78504
WSI Testing Location2501 Buddy Owens Ave Mcallen Texas 78504
WSI Testing Location3213 West Alberta Road Mcallen Texas 78504
WSI Testing Location4313 N 10TH ST STE B Mcallen Texas 78504
WSI Testing Location5303 North McColl Road Mcallen Texas 78504
WSI Testing Location6316 N 10TH ST Mcallen Texas 78504
WSI Testing Location801 E NOLANA AVE Mcallen Texas 78504
WSI Testing Location801 East Nolana Avenue Mcallen Texas 78504
WSI Testing Location801 West Nolana Avenue Mcallen Texas 78504