Federally Regulated
DOT Drug Testing
Federally compliant collections for regulated employers across every DOT-covered mode.
- Pre-Employment
- Random
- Post-Accident
- Reasonable Suspicion
- Return-to-Duty
- Follow-Up
Our Services
Compliant Testing. Delivered on Location.
Every service PRN offers is built around one goal: help employers stay compliant, reduce liability, and keep operations moving.
Employer Choice
Non-DOT Drug Testing
Flexible testing programs and panel options tailored to your workplace policy.
- Employment Screening
- Random Testing
- Court Ordered
- School & Athletic
- Personal Testing
- Return-to-Work
On-Site Convenience
Mobile Testing
We bring the collection site to you — minimizing downtime and maximizing compliance.
- Trucking terminals
- Construction sites
- Corporate offices
- Warehouses
- Manufacturing plants
- Multi-location employers
Ideal for these industries
Trucking · Construction · Corporate Offices · Warehouses · Manufacturing
Ready when you are
Schedule your on-site drug testing today.
Fast turnaround. Compliant collections. Discreet, professional service — wherever your workforce operates in greater Houston.