Frederick, Maryland Drug Test Services


Frederick, Maryland Drug Screening & Workplace Testing Services

Why Choose WSI in Frederick, Maryland?

Our Services in Frederick, Maryland

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 Frederick, Maryland

NameAddressCityStateZIP Code
WSI Testing Location490 Prospect Boulevard Frederick Maryland 21701
WSI Testing Location110 Baughmans Lane Frederick Maryland 21702
WSI Testing Location161 Thomas Johnson Drive Frederick Maryland 21702
WSI Testing Location165 Thomas Johnson Dr Frederick Maryland 21702
WSI Testing Location99 Baughmans Lane Frederick Maryland 21702
WSI Testing Location633 Research Court Frederick Maryland 21703
WSI Testing Location5930 FREDERICK CROSSING LANE Frederick Maryland 21704