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South Texas Drug and Alcohol Testing
Serving South Texas!

Call: 830-393-2242

South Texas Drug and Alcohol Testing has given us the best service a company could ask for. They are quick, reliable and available after hours. We highly recommend them. - Naarah S. @ Raider Services, LP

Welcome to South Texas Drug and Alcohol Testing

Drug Testing

South Texas Drug and Alcohol Testing has the experience and expertise to get the job done right the first time. We are a team of skilled professionals that take great pride in our work, with a commitment to service and value. We have built our business off of this principle and refuse to sacrifice quality for quantity. We take the extra steps, that others often bypass, to make sure your workplace is safe, drug free and operating at its peak efficiency. Our goal is to provide the safety and solutions needed to help you work toward a drug free workplace, and look forward to earning your business.


All South Texas Drug and Alcohol collectors are trained in the regulations of DOT( 49 CFR Part 40) and Certified Breath Achohol Technicians (BAT's) Each of our collectors have received and continue to receive specialized training for specimen collection techiques in compliance with ALL Federal and State drug and alcohol testing regulations


If there's anything else we can do to make your experience a little easier, just ask. We appreciate the opportunity to serve you.


At South Texas Drug and Alcohol Testing we aim to

"Create a Safe, Efficient & Drug Free WorkSpace"


Overview of Services:
Office and Onsite services Drug and Alcohol Testing available 24/7 for: DOT & Non-DOT
* Hair Follicle Collection
* 5 & 10 Panel in House Testing
* DNA Testing
Testing for: Pre-Employment, Random, Reasonable Suspicion, Post Acccident & Return to Duty & Follow-up Satety Training Services: Confined Space, Driver Fatigue, Fork Lift Safety, Hand & Power Tool, H2S Training, and More.
"For All of your Drug and Alcohol Testing Needs!"