Carolina Drug & Alcohol Testing Services, LLC provides certified, professional drug and alcohol testing services for all Department of Transportation regulated companies as well as businesses, organizations, courts, substance abuse programs, schools and individuals. Additional services include DNA testing, Background Checks, DOT Physicals, Pre-employment Screening as well as comprehensive Substance Free Workplace Policy Development, education and training services. Services are provided by our professionally trained and certified staff. Our clean and truck friendly location just off of Highway 501 in Conway, SC is centrally located and easy to access. Service areas include all of Horry, Florence, Marion and Georgetown counties including Myrtle Beach and the Grand Strand. In addition to our convenient office location, many services are also available “on location” through our on-site/mobile testing services department.