78258 Drug Test Services


78258 Drug Screening & Workplace Testing Services

Why Choose WSI in 78258?

Our Services in 78258

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 78258

NameAddressCityStateZIP Code
WSI Testing Location18707 HARDY OAK BLVD San Antonio Texas 78258
WSI Testing Location19016 Stone Oak Pkwy San Antonio Texas 78258
WSI Testing Location20210 Stone Oak Parkway San Antonio Texas 78258
WSI Testing Location20780 U.S. 281 San Antonio Texas 78258
WSI Testing Location22906 U.S. Highway 281 North San Antonio Texas 78258
WSI Testing Location510 Med Court San Antonio Texas 78258
WSI Testing Location510 MED COURT San Antonio Texas 78258