Why PRN
Compliance you can count on. Service you can feel.
We help businesses stay compliant, reduce liability, and protect their workforce — with a level of care most testing providers can't match.
Compliance-Focused
DOT & Non-DOT expertise woven into every collection.
Mobile Convenience
We travel to your business, job site, or facility.
Professional & Discreet
Respectful service that protects your employees and brand.
Fast Turnaround
Rapid response scheduling and quick results delivery.
Reliable Scheduling
On time, every time — no last-minute surprises.
Exceptional Service
Clear communication from booking to final report.
"We help businesses stay compliant, reduce liability, and protect their workforce."
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.