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San Antonio Employer Drug & Alcohol Tests

Fastest Labs of San Antonio provides a variety of targeted and expert services to employers in San Antonio seeking to maintain a drug and/or alcohol-free workplace. Whether you wish to employ expert drug testing as part of the hiring process with pre-employment drug and alcohol screenings or throughout the entire employment process via regular, random, or for-cause employee drug and alcohol testing, Fastest Labs of San Antonio has the cleanest labs, the most efficient processes, and the most affordable testing options in San Antonio. Walk-ins and same day appointments are welcome here at our San Antonio location. Most tests are instant tests with results as fast as 5 minutes. Call our San Antonio lab today for any questions DOT drug and alcohol testing.

 Contact our San Antonio Lab

Certified DOT and Non-DOT Drug Testing

Our Certified Employer Screening Services in San Antonio

Need to implement your San Antonio drug and alcohol testing policies for your employees? Fastest Labs offers the most comprehensive coverage for San Antonio drug and alcohol testing and programs that can be customized, designed and implementation for your company and employees. Call today to find out how you can have a drug-free workplace with Fastest Labs in San Antonio!

Fastest Labs also provides complete San Antonio certified DOT testing services including program design, full DOT testing requirements, and more employer solutions. Please contact an alcohol or drug screening location nearest you to find out more about our San Antonio employer testing services.


Current San Antonio Promotions

$1 Off Breath Alcohol
$1 Off Breath Alcohol Test.
$5 Off Hair Test!
Get $5 off your next Hair Follicle Drug Test.

Why Choose Fastest Labs of San Antonio?

  • Certified San Antonio Lab Technicians

    All San Antonio Fastest Labs drug and DNA testing lab techs are certified professional test collectors as well as certified professional breath and DOT alcohol screening technicians. Learn More

  • Cleanest San Antonio Testing Facilities

    Our San Antonio drug, alcohol and DNA testing labs are the cleanest and most comfortable labs around. Learn More

  • Fastest San Antonio Service & Rapid Test Results

    At our San Antonio lab, you will be served within 5 min of your arrival. On most tests, you get immediate results. On lab tests, your results will be ready in less than 24 hours. Learn More

  • Best Lab Test Customer Service in San Antonio

    Our friendly San Antonio drug test customer techs are top notch and they have the highest customer service ratings in the industry. Learn More

  • Affordable San Antonio Pricing

    Our San Antonio lab will strive to meet or beat any competitors' pricing! Learn More

Contact Our San Antonio Lab Today!


Fastest Growing Lab Testing Franchise!

The Fas-Tes® franchise (owner of FastestLabs.com) is one of the fastest growing 3rd party collection drug, alcohol and DNA lab test franchises in the nation. With explosive demand, the drug, alcohol, and DNA testing industry has quickly become one of the fastest growing industries in the world. 

Find out how easy it is to join Fas-tes® in owning your own business today!

Certified Drug Testing San Antonio

Approved Collection Sites For:

Please check with the lab nearest you as our San Antonio locations each have their own set of affiliations

eScreen Collection Site San AntonioDISA Collection Site San AntonioQuest Collection Site San AntonioLabcorp Collection Site San AntonioExpertox Collection Site San AntonioClinical Reference Laboratory San AntonioOmega Collection Lab San AntonioAlere Collection Lab San AntonioMedtox Collection Lab San AntonioDISA Collection SIte San AntonioPsychemedics Corporation San Antonio