D & A On Site Testing is a certified, trained, and experienced testing facility & laboratory partner serving Laredo, Texas and surrounding areas. Operating from our professional office at 416 Shiloh Dr., Suite C6, we help businesses and individuals meet every DOT and non-DOT compliance requirement — with top-quality service, zero contracts, and no appointment needed. Browse our complete service directory below or call us any time.
No Contracts
Free Random Selections
Free Consortium Random Selections
Business & Personal Testing
Teen Testing
Court Orders
Probations
School Orders
No Appointment Necessary
Walk-Ins Welcome
A full spectrum of DOT and Non-DOT testing solutions, delivered from our professional office in Laredo, TX.
All physical exams are conducted by certified examiners in compliance with FMCSA medical standards for commercial drivers and safety-sensitive workers.
24 Hours a Day, 7 Days a Week
We are on call around the clock for Post-Accident DOT & Non-DOT testing needs — serving Laredo and surrounding areas within 100 miles. No accident follows a schedule, and neither do we.
Walk-Ins Welcome — No Appointment Necessary
Visit us at 416 Shiloh Dr., Suite C6, Laredo, TX 78045 or call us any time.
Contact us today to schedule testing at our office, or discuss a custom DOT compliance program for your business in Laredo.
Office hours: Mon–Fri, 8:30 AM – 5:30 PM
956-286-4208On-call 24/7 for post-accident & after-hours testing.
416 Shiloh Dr., Suite C6
Laredo, TX 78045
Serving Laredo and surrounding areas.