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Fastest Labs is...
  • Fast Fast
  • Affordable Affordable
  • Clean Clean
  • Friendly Friendly
  • Welcoming Welcoming
  • Professional Professional
  • Trusted Trusted
  • Reliable Reliable

Comprehensive Drug, Alcohol & DNA Testing Services

Offering the Cleanest,
Fastest & Friendliest
Testing Labs

When you need drug, alcohol, or DNA testing, rely on FastestLabs® for comprehensive personal testing services. With more than 10 years of experience in the industry, we have built a superior reputation for fast, accurate testing and outstanding customer service. We're proud to have some of the cleanest facilities around and our certified collectors work hard to ensure customer comfort throughout the entire testing process.

We routinely assist customers from individuals, small business, schools, government agencies, volunteer organizations, and others with a wide range of testing services. Whether you need random drug testing services, post-accident breath alcohol testing, paternity or maternity DNA testing services, or are simply interested in learning more about your personal heritage, we are happy to help!

Interested in learning more about our drug, alcohol, and DNA testing services? Give us a call at (210) 361-7778 today!

Our Testing Services

We offer immediate and comprehensive drug testing services focused on helping individuals and employers.

The Fastest Labs X-Factor

  • Clients Seen
    Within 5 Minutes
  • Results Reported
    Immediately
  • Can Meet Or
    Beat Pricing
What Makes Fastest Labs Different?

Cleanest labs & drug testing facilities
Accurate results, usually within 24 hrs
Highest service ratings in the industry
Affordable, competitive prices

Looking for a Fastest Labs near you?

We offer top-notch customer service all over the country! Find one of our locations now.

  • Certified Test Collections
  • Entrepreneur Franchise 500 Ranked 2017
  • Entrepreneur Franchise 500 Ranked 2016
  • Entrepreneur Franchise 500 Top New Franchise 2015
  • US Department of Transportation Federal Railroad Administration
  • IFA
  • ista - Certified Laboratory
  • Top 50 Franchise
  • North San Antonio Chamber
  • SouthSA Chamber