DOT Drug & Alcohol Testing
- Call now: 877-281-8377
- Book service: Schedule a Collection
- Get a quote: Request Pricing
- Chain-of-custody collections
- Mobile/on-site available (where permitted)
- Rapid scheduling + clear documentation
- Employer-friendly process
Who We Help
DOT-Regulated Industries We Support
- ⦁ FMCSA / CDL: trucking, fleets, owner-operators, staffing agencies, carriers
- ⦁ FAA: aviation operators, maintenance, safety-sensitive roles
- ⦁ FRA: rail operations and contractors
- ⦁ FTA: transit agencies, shuttle services, passenger transport
- ⦁ PHMSA: pipeline and hazardous materials operations
- ⦁ USCG: maritime employers and safety-sensitive maritime roles
What We Offer
Not sure which DOT mode applies to you? We’ll help you identify the correct pathway.
DOT Testing Services
⦁ Pre-Employment (when required)
⦁ Random Testing program support
⦁ Post-Accident
⦁ Reasonable Suspicion
⦁ Return-to-Duty & Follow-Up (as required)
Collection Options
⦁ On-site/mobile collections for employers (ideal for urgent or high-volume needs)
⦁ Coordinated clinic collections when on-site isn’t the best fit
Documentation You Can Trust
⦁ Proper chain-of-custody
⦁ Clear reporting + employer-ready records
⦁ Reliable, professional collections for regulated settings
Why Employers Choose
DK Testing Services
You get a testing partner that helps you stay compliant and operational.
How It Works
Tell us your DOT mode + testing need
FMCSA, FAA, FRA, FTA, PHMSA, or USCG—single event or ongoing program.
We schedule collection (on-site or coordinated clinic)
We confirm time, location, and required details.
Collection + chain-of-custody completed
We ensure proper documentation and next-step guidance.
Results + recordkeeping support
You receive clear records for compliance tracking.
FAQ
Do you provide DOT testing for CDL employers (FMCSA)?
Can you come on-site to our yard or terminal?
Do you support random testing programs?
What if we need post-accident testing quickly?
Do you help with return-to-duty and follow-up testing?
Contact Us Today!!!!
Compliance Disclaimer
DOT drug and alcohol testing is performed in accordance with applicable federal regulations. We follow proper chain-of-custody and standardized procedures to support compliant collections. If you need help understanding which testing category applies to you, we’ll walk you through it.