FEDERAL CONTRACTOR · DOT & NON-DOT EMPLOYER TESTING
Gaithersburg, MD Mobile Drug & Alcohol Testing
NIST Federal Contractors · I-270 Biotech Corridor · WMATA FTA — Mobile collections along Montgomery County's science axis.
Gaithersburg is home to NIST (National Institute of Standards and Technology) and sits at the heart of the I-270 life sciences corridor — with dozens of clinical trial organizations, FDA-regulated biotechs, and technology companies operating within a few miles of each other. WMATA's Red Line Shady Grove terminus is nearby. I-270 CDL freight connects to I-70 and Western Maryland. OnSite Employer Testing covers Gaithersburg as part of Montgomery County metro service.
OnSite Employer Testing coordinates mobile drug testing collections at your Gaithersburg-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.
NIST and the I-270 Life Sciences Corridor
DOT & Federal Testing Services — Gaithersburg
We coordinate the following collections for Gaithersburg-area employers:
- Federal contractor testing — NIST support contractors; I-270 corridor biotech, CRO, and tech company employees subject to FAR 52.223-6
- FTA 49 CFR Part 655 — WMATA Red Line (Shady Grove terminus) safety-sensitive employees
- FMCSA 49 CFR Part 382 — CDL drivers on I-270 and MD-355 serving Gaithersburg distribution
- Pre-employment, Random, Reasonable Suspicion, Post-Accident — urine, oral fluid, and EBT
- Biotech and pharmaceutical non-DOT panels — I-270 corridor life sciences workforce
- DOT Return-to-Duty & Follow-Up — SAP-supervised employees
- Maryland Question 4 Cannabis Compliance — does NOT affect federal contractors or DOT employees
Industries Served in Gaithersburg
- Federal science — NIST campus and affiliated contractors
- Biotech and life sciences — I-270 clinical and research organizations
- Transit — WMATA Red Line Shady Grove
- CDL freight — I-270 Montgomery County
- Technology and consulting
- Healthcare — Holy Cross Health, Adventist HealthCare
Applicable Regulations — Gaithersburg, MD
Federal contractors at NIST are subject to FAR 52.223-6. FTA 49 CFR Part 655 governs WMATA Shady Grove employees. FMCSA 49 CFR Part 382 applies to I-270 CDL fleets. Maryland Question 4 does not affect DOT or federal contractor testing. Program design and compliance obligations remain your responsibility under applicable law — we coordinate the collections.
On-Site Collections in Gaithersburg
NIST contractors, I-270 biotech employers, and WMATA — get compliant mobile collections dispatched today.
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
Is Gaithersburg covered under your Rockville/Montgomery County service area?
Yes. Gaithersburg, North Bethesda, Germantown, and all of Montgomery County are covered under one seamless service area.
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.
Mobile Testing for Gaithersburg's Federal Science and I-270 Workforce
NIST contractors, I-270 biotech employers, and WMATA — get compliant mobile collections dispatched today.