DOT-COMPLIANT · ON-SITE EMPLOYER DRUG TESTING
Gresham, OR Mobile Drug & Alcohol Testing
Portland Metro East · I-84 FMCSA · Intel Supply Chain · Distribution — Mobile collections across East Multnomah County.
Gresham is Oregon's fourth-largest city and the eastern anchor of the Portland metro — positioned on I-84 between Portland and the Columbia River Gorge. Its industrial base includes a growing distribution and logistics sector, Intel supply chain vendors, and manufacturing operations in the Mt. Hood Corridor. TriMet's MAX Blue Line connects Gresham to downtown Portland. OnSite Employer Testing covers Gresham and east Multnomah County as part of the Portland metro service area.
OnSite Employer Testing coordinates mobile drug testing collections at your Gresham-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.
Portland's Eastern Industrial Gateway on I-84
DOT & Non-DOT Testing Services — Gresham
We coordinate the following collections for Gresham-area employers:
- FMCSA 49 CFR Part 382 — CDL drivers on I-84, US-30, and OR-26 serving Gresham distribution and Portland metro east freight
- FTA 49 CFR Part 655 — TriMet MAX Blue Line Gresham terminus maintenance and operations employees
- Pre-employment, Random, Reasonable Suspicion, Post-Accident — urine, oral fluid, and EBT
- DOT Return-to-Duty & Follow-Up — SAP-supervised employees
- Intel supply chain and manufacturing panels — east Multnomah County semiconductor support and industrial workforce
- Oregon Measure 91 Compliance — recreational cannabis does NOT affect DOT-regulated employees
- Healthcare testing — Legacy Mount Hood Medical Center
Industries Served in Gresham
- Distribution and logistics — I-84 Portland east corridor
- Intel supply chain — east Portland semiconductor support
- Transit — TriMet MAX Blue Line terminus
- CDL freight — I-84, US-30 Columbia River Highway
- Manufacturing — Gresham industrial parks
- Healthcare — Legacy Mount Hood Medical Center
- Construction — east Portland metro growth
Applicable Regulations — Gresham, OR
FMCSA 49 CFR Part 382 governs CDL fleets on I-84. FTA 49 CFR Part 655 applies to TriMet MAX safety-sensitive employees. Oregon Measure 91 does not affect DOT testing. Program design and compliance obligations remain your responsibility under applicable law — we coordinate the collections.
On-Site Collections in Gresham
I-84 carriers, TriMet, and east Portland manufacturers — 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 Gresham covered under your Portland metro service area?
Yes. Gresham and all of east Multnomah County are fully within our Portland metro service area — same dispatch, same response time.
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 Gresham and Portland Metro East
I-84 carriers, TriMet, and east Portland manufacturers — get compliant mobile collections dispatched today.