OnSite Employer Testing logo — on-site and mobile employer drug and alcohol testing services
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Employer drug & alcohol testing

On-site collections that protect your program—and respect your people

Mobile employer drug testing — professional, compliant, on your schedule. We coordinate with DERs, HR, and your administrator so every visit is deliberate, documented, and on schedule.

  • Chain of custody

    Supervised handling and auditable documentation.

  • Administrator alignment

    Routing that fits DER, HR, and TPA workflows.

  • Program scope

    DOT and non-DOT collections on your schedule.

Certified collector walking into an employer office entrance carrying a locked specimen kit for a scheduled on-site workplace drug and alcohol test.
  • Shift-aware windows

    Collections planned around production peaks—not generic clinic hours.

  • TPA & DER ready

    Paperwork and routing that fits how your program is actually managed.

  • Urgent intake

    Structured post-accident and reasonable-suspicion response with clear communication.

Value proposition

Calm execution for safety-sensitive employers

Warm, decisive support—without noise, pressure tactics, or generic clinic scripts.

On-site & mobile collections

We meet your teams at the yard, plant, dock, or office—so production and dispatch stay on track.

Compliance without cold bureaucracy

DOT and non-DOT programs with careful chain-of-custody execution and supervisor-ready documentation.

Scheduling that respects the clock

Shift handoffs, gate times, and post-accident urgency—with realistic ETAs your safety team can relay.

Built for administrators

Orders, paperwork, and shipping instructions aligned with TPAs, consortiums, and your policy.

Services

Programs aligned to how you operate

FMCSA-regulated, non-DOT, or blended—each path is documented for supervisors and common TPA workflows. Specialized specimen pages (hair, PEth, blood, nail, oral fluid, breath) live alongside these program topics—see the second group below or the services hub. For a plain-language split between regulated and handbook-led programs, see DOT vs non-DOT drug testing.

Employer mobile drug testing unit: collector filling chain-of-custody paperwork at a lit workbench with sealed specimen supplies and shipping materials organized for DOT or non-DOT programs.
Mobile unit workflow — documentation, supplies, and disciplined handling aligned to employer programs.

Specialized specimens & alcohol modalities

BAT, oral fluid, hair, PEth, blood, and nail—each with its own detection window and program fit. Several are intentionally niche; your policy and counsel define when they apply.

Full services overview for safety and HR briefings, or browse employer resources & articles on random testing, post-accident response, and on-site prep.

Why us

A partner your leaders can stand behind

Testing is risk management—not a billboard. We focus on predictable, dignified field work so HR and safety can defend every step.

Our approach
Private on-site drug testing area: collection specialist and employee seated across a desk while reviewing employer drug test forms before the collection.
Private staging and clear communication — the tone your HR and safety teams expect.
  • Speed without shortcuts

    Fast scheduling and transparent timing—without cutting corners on documentation or donor dignity.

  • Convenience at scale

    Single visits or multi-collector hiring events—with donor flow that does not bottleneck the floor.

  • Clinical discipline

    Collectors trained for applicable procedures and the policy standards you set as the employer.

  • Responsive partnership

    When the situation is sensitive, you get structured intake—not a black hole on the other end of the line.

Scope your next program with us

Share DOT or non-DOT context, headcount, and where collections must happen. We reply with clear next steps—pricing stays consultative, not automated, in V1.

FAQ

What employers ask first

Straight answers—no jargon walls—about mobile testing and how we work with your team.

All questions
  • What is mobile drug testing for employers?

    Mobile drug testing means a qualified collector travels to your workplace, yard, plant, or job site to complete drug and alcohol collections. Employees stay on or near the clock, and you control scheduling around shifts instead of clinic hours.
  • How does on-site employer drug testing work?

    You confirm who is testing, where to stage privacy, and how results should route to your TPA or MRO. Collectors arrive with supplies and forms, complete chain-of-custody steps, and package specimens for the lab instructions your program requires. For program detail by modality, see mobile drug testing; for a pre-event checklist, see what HR should prepare before on-site testing.
  • What kinds of employers use mobile or on-site workplace drug testing?

    Employers with distributed sites, shift work, safety-sensitive roles, or high cost from clinic trips—transportation, construction, manufacturing, logistics, energy, healthcare support roles, and professional offices with handbook-driven testing all use on-site or mobile collections when policy allows.
  • Do you test at warehouses, construction sites, offices, and other job locations?

    Yes, when the site can meet privacy and safety requirements for the specimen type. We coordinate with your site lead on access, restrooms or observation rules, PPE, and donor flow so collections fit real working conditions.

Ready for a collection window that fits your operation?

Tell us about locations, shifts, and policy—we will confirm feasibility and propose an on-site or mobile plan that feels intentional, not improvised.