Welcome!

Welcome to Trio-One, a certified DOT Clinic operating within the offices of Advanced Chiropractic.

We offer the convenience of a one stop facility to accommodate the needs of Drug Testing and DOT physicals.

• DOT physicals, Drug Screening for companies and individuals.
• Non-DOT Pre-employment and Drug Screenings.
• We will manage and administer your random drug testing and help keep your company DOT Compliant. Our Third Party Administrator will handle your compliance needs..
• Lowest Available Rates in Knoxville guaranteed for driver or employer. We want your business!
• Drug Testing Services available in our clinic or on site at your business.  Upon request, in most cases, we can test at your business.
• Easy access and location with plenty of parking.  We have large spaces for big rigs.
• We have same day appointments, with under 30 minutes for Drug Testing.  Call us!
• Laminated medical cards upon completion of DOT Physicals.