Alcohol & Drug Testing Services LLC

ADTS, LLC is a nationwide on-site drug and alcohol testing company with over 20 years of experience in the workplace drug and alcohol testing industry. Many of our staff members have an extraordinary amount of experience in DOT regulations which began with the Omnibus Transportation Testing ACT that went into effect in 1991.


Our dispatchers are available 24 hours a day, 7 days a week, and 365 days a year!

Testing Types Provided

All DOT modes; as well as company authority testing.

All ADTS collectors and staff are trained and certified according to 49 CFR Part 40 to conduct testing! Call us to schedule testing for breath alcohol, urine, oral fluids, or hair testing.