DOT Drug Test
Trusted DOT Drug Testing with Nationwide Coverage
Workplace Screening Intelligence (WSI) offers fully compliant DOT Drug Testing services with over 20,000 electronically enabled testing locations. Our rapid scheduling system allows you to order and complete a DOT drug test the same day—ensuring your team stays compliant without delays.
Whether you’re in trucking, transit, aviation, or maritime, our extensive experience and deep knowledge of Department of Transportation (DOT) regulations ensure every test meets or exceeds federal standards.
DOT-Compliant Testing Services Include:
- DOT Drug Testing for FMCSA, PHMSA, FAA, FTA, FRA, and USCG
- Random, Pre-employment, Post-accident, and Return-to-duty Testing
- DOT Physicals
- Audit and Policy Assistance
- Supervisor and DER Training

Why Choose WSI for Your DOT Drug Testing?
30 Years of DOT Testing Experience
Our long-standing track record gives us a unique ability to navigate regulatory challenges quickly and accurately.
20,000+ Locations
We make it convenient with collection sites near your employees’ homes or workplaces.
Same-Day Testing
Our advanced electronic ordering system gets your drivers tested fast, often within the same day.
Audit-Ready at Any Time
Be fully prepared with audit assistance from industry experts.
Policy Compliance Support
Need help drafting or revising your DOT Drug Testing Policy? We’ve got you covered.
Compliance Made Easy
With our easy-to-use platform, you can check compliance status in real-time and receive instant updates on testing requirements. We offer secure remote testing, fast reporting, and personalized onboarding support.
Our Customers Say It Best:
⭐️⭐️⭐️⭐️⭐️ “Workplace Screening provided the most comprehensive DOT drug testing solutions I’ve ever seen. Fast, friendly, and 100% compliant.” – Don M.
⭐️⭐️⭐️⭐️⭐️ “Phil and his staff are incredible! They’re extremely professional and compassionate.” – Pete S.
Let Our 30 Years of Experience Be Your Peace of Mind.