Founded in 1991, CHASE, LLC provides comprehensive services designed to promote workplace safety and security through the reduction of substance use/abuse. Headquartered in Dickson, Tennessee, the CHASE team provides rapid response and personal service to keep clients compliant with federal guidelines. Regardless of when CHASE partners with a client at the beginning to create a company s drug-free plan and policy, or later as the third party provider of on-site sample collection/testing/reporting, CHASE s experienced team maintains a level of professionalism making it one of the most respected third party administrators in the country.. Drug Screening: Specimen Collection,Laboratory Testing & Result Reporting. Employee Assistance Service,Drug/Alcohol Background Checks,Random Testing & Supervisor Training.