Monday-Thursday 8:30am to 3:00pm
| Friday 8:30-Noon

Drug Testing: Mon-Thurs: 8:30am - 2:00pm | Fri: 8:30am - 11:00am

Now offering TSA Pre , Hazmat and TWIC enrollment

ProTox will be closed November 27-29 for Thanksgiving. Happy holidays!

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"Keeping you in compliance with state and federal drug testing regulations."

For over 20 years ProTox Services (formerly A.T. Laboratories) has provided collection sites, laboratories, MROs, TPAs, and employers, with products ands services that keep them in compliance with state and federal drug testing regulations.

About Us

Professional Toxicology Services, Inc. is a Women Owned Small Business. For almost 20 years Professional Toxicology Services, Inc. has provided collection sites, laboratories, MROs, TPAs and government agencies with products and services that keep them in compliance with state and federal drug testing regulations 49 CFR 40.103, 10 CFR 26.168, 49 CFR 40.41.