Compare the best workplace drug testing companies by compliance expertise, collection access, reporting, and support for DOT and non-DOT employers today.

Drug testing consortium services help DOT employers manage random pools, records, testing access, and compliance support with less administrative burden.

Learn how to build a drug free workplace program with clear policies, supervisor training, testing procedures, records, and responsive support nationwide.

What happens after a positive DOT test? Learn the required removal, MRO review, SAP process, return-to-duty testing, and follow-up plan for employers today.

A practical guide to return to duty process requirements for DOT employers, from SAP referral through follow-up testing, records, and release decisions.

Learn the employer clearinghouse query process, from registration and driver consent to full and limited queries, annual checks, records, and compliance.

This guide to Canadian employer testing explains policy design, privacy, reasonable cause, post-incident response, and consistent program administration.