DOT-COMPLIANT · ON-SITE EMPLOYER DRUG TESTING
Mobile Drug & Alcohol Testing in Ann Arbor, Michigan
On-site DOT-compliant collections for Ford and GM R&D tech center CDL logistics, Pfizer's Ann Arbor pharmaceutical manufacturing CDL cold-chain fleet, DTE Energy PHMSA gas distribution field crews, and University of Michigan's massive MILCON construction contractor employer programs.
On-site DOT-compliant collections for Ford and GM R&D tech center CDL logistics, Pfizer's Ann Arbor pharmaceutical manufacturing CDL cold-chain fleet, DTE Energy PHMSA gas distribution field crews, and University of Michigan's massive MILCON construction contractor employer programs. Ann Arbor anchors automotive r&d & technology (fmcsa/non-dot), pharmaceutical manufacturing (fmcsa), university construction (fmcsa) employer demand — including Ford Willow Run / R&D Ann Arbor; GM Technical Center Warren (Ann Arbor corridor); Pfizer Ann Arbor / Plymouth; University of Michigan, and related operators across Michigan. For safety-sensitive CDL drivers, pipeline workers, railroad crews, defense contractors, and aviation employees who cannot leave a shift for a clinic visit, mobile collection keeps operations staffed while meeting federal custody requirements.
OnSite Employer Testing coordinates mobile drug testing collections at your Ann Arbor-area facility, yard, terminal, or job site. We do not operate a clinic. Review how it works or browse all locations we serve across the region.
Why Ann Arbor Employers Need Mobile Testing
Pfizer Ann Arbor pharmaceutical CDL cold-chain distribution fleet pre-employment and random pool management
Ford and GM tech center CDL logistics and prototype transport fleet testing
program design and compliance obligations remain your responsibility under applicable law — we coordinate the collections
Industries We Serve in Ann Arbor
Ford Willow Run / R&D Ann Arbor
Ford Willow Run / R&D Ann Arbor — tech center CDL logistics and prototype fleet FMCSA (FMCSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Ann Arbor market.
GM Technical Center Warren (Ann Arbor corridor)
GM Technical Center Warren (Ann Arbor corridor) — R&D CDL fleet FMCSA (FMCSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Ann Arbor market.
Pfizer Ann Arbor / Plymouth
Pfizer Ann Arbor / Plymouth — pharmaceutical CDL cold-chain distribution fleet FMCSA (FMCSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Ann Arbor market.
University of Michigan
University of Michigan — MILCON hospital and campus construction CDL contractor fleet (FMCSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Ann Arbor market.
DTE Energy Ann Arbor
DTE Energy Ann Arbor — PHMSA natural gas distribution Washtenaw County (PHMSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Ann Arbor market.
Amazon YIP1 / Ann Arbor area fulfillment
Amazon YIP1 / Ann Arbor area fulfillment — CDL delivery fleet FMCSA (FMCSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Ann Arbor market.
MDOT Region 2
MDOT Region 2 — I-94/US-23 Washtenaw County construction CDL contractor fleets (FMCSA-regulated or employer-directed programs where applicable). We coordinate on-site collections for pre-employment, random, post-accident, and reasonable suspicion events at employer facilities throughout the Ann Arbor market.
Applicable Regulations
Employers in Ann Arbor commonly coordinate testing under:
- 49 CFR Part 40 — DOT collection and laboratory procedures
- 49 CFR Part 382 — FMCSA CDL pharmaceutical, automotive R&D, and logistics carrier fleets
- 49 CFR Part 199 — PHMSA DTE Energy Washtenaw County gas distribution operators
- Michigan Drug Testing Act (MCL 333.27961 et seq.) — employer program framework
Testing Services Available in Ann Arbor
We coordinate the following collections for Ann Arbor-area employers:
DOT drug testing collections (FMCSA, FRA, FAA, FTA, PHMSA)
- Pre-employment drug and alcohol testing
- Reasonable suspicion and return-to-duty testing
Breath alcohol testing (BAT certified)
- Oral fluid drug testing
Mobile and on-site collections at your facility, yard, or job site
On-Site Collections in Ann Arbor
University of Michigan MILCON and hospital construction CDL contractor on-site testing
DTE Energy PHMSA field crew collections throughout Washtenaw County
MDOT I-94/US-23 Washtenaw County construction CDL contractor on-site testing
Use our instant quote calculator to scope your collection or visit our service areas page for broader coverage context.
Questions from employers in this region
Pfizer has pharmaceutical manufacturing and R&D in Ann Arbor — what FMCSA testing applies to their CDL fleet?
CDL operators transporting Pfizer pharmaceutical products from Ann Arbor facilities in temperature-controlled commercial motor vehicles over 26,001 lbs are subject to FMCSA Part 382 drug and alcohol testing. We coordinate on-site pre-employment and random testing for Pfizer's Ann Arbor CDL cold-chain distribution fleet.
The University of Michigan has one of the largest hospital and campus construction programs in the US — can you serve that workforce?
Yes. U-M's Michigan Medicine, Ross School of Business, and engineering campus construction programs generate continuous CDL and heavy equipment operator testing needs. We coordinate on-site pre-employment and random collections at active U-M construction sites throughout Ann Arbor.
Core programs: Mobile & on-site drug testing, DOT drug testing, Non-DOT drug testing, Post-accident testing, Reasonable suspicion testing, Random testing programs, Breath alcohol testing. Planning: how it works, instant quote calculator, all locations. Industries: employer industries we support. Long-form answers: Employer drug testing FAQ. Quick questions: Contact us.
For how we think about regions and feasibility, see service areas.
Nationally coordinated collection support
OnSite Employer Testing is headquartered in Illinois and coordinates mobile and on-site employer testing across selected regions and employer locations—including through partner collectors when your program, timing, and geography allow. Availability depends on location, timing, test type, site access, collector availability, and scheduling needs.
Scope collections for your Ann Arbor-area operation
Share your facility address, expected donor count, test reason, and DOT or non-DOT status — we confirm what is workable and send a written proposal.