Who We Serve
Built for regulated & safety-sensitive workplaces.
From fleet yards to boardrooms, PRN Clinical Solutions delivers dependable drug testing programs that protect your workforce and your bottom line.
Trucking & Transportation
DOT-regulated fleets, terminals, and owner-operators.
Construction
Job-site collections that keep crews on schedule.
Oil & Gas
Safety-sensitive testing for upstream, midstream & downstream.
Warehousing
High-volume programs for distribution centers.
Healthcare Staffing
Confidential pre-employment and compliance testing.
Manufacturing
On-site collections that respect production schedules.
Small Businesses
Right-sized programs and one-off screenings.
Corporate Offices
Professional, discreet in-office collections.
Government Agencies
Structured programs aligned to policy requirements.
Schools & Education
Testing services for districts and campus employers.
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.