The Alcohol & Drug Testing Service

10/02/2025

Texas Alcohol and Drug Testing Service has been nominated as HOUSTON BEST Drug Testing site. To VOTE, click on the link and complete the process. Your help is greatly appreciated!!!

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09/14/2025

Our members provide an array of services to help employers with commercial fleets follow federal and state transportation laws. Contact us today to find an NDASA member near you.

06/22/2025

06/22/2025

Texas Trucking Show at NRG Arena this weekend!! Saw some current clients and met some new ones too!! Thank you for entrusting TADTS with your alcohol and drug program.

05/31/2025

Supporting our youth - Huntsville 7U All- Stars!

05/21/2025

Stop by the Norris Conference Center for the Houston Business Expo - 5PM-9PM today!!

04/19/2025

TADTS is exhibiting this year at NRG Center. Come out and say hello - booth 924

Sign up before we run out!

01/07/2025

Thank you to NDASA for sharing the 2025 DOT Mode testing rates.

01/01/2025

Happy New Year from TADTS - https://mailchi.mp/tadts.net/thanksgiving2024-12720095

12/25/2024

Season’s Greetings!

12/20/2024

Thanks to our great partners at Quest Diagnostics for the visit to our corporate offices in Houston. It was a wonderful visit!