Drug & Alcohol Detection & Testing
The Laboratory
830 South Beckham Avenue
Tyler, TX 75701
(903)533-1434
Drug and Alcohol Testing of East Texas
4807 Old Jacksonville Highway
Tyler, TX 75703
(903)534-3893
Cox Dwayne M LCDC
1121 East Southeast Loop 323 Suite 105
Tyler, TX 75701
(903)509-4232
