HMTS currently services many Fortune 500 clients across the United States, from Alaska to New Jersey to Louisiana, representing over 100,000 employees and hundreds of employers. Not only does HMTS provide national on-site drug and alcohol testing services, but also provides mobile collections and education/training programs to its clients which need employee education to comply with federal regulations.All HMTS collectors are DOT certified in drug collections and each is a certified breath alcohol technician. HMTS is quite proud of its record in that in over ten years in business, no client has ever lost a challenge of a drug or alcohol test conducted by Houston Medical Testing Services, Inc.HMTS also offers other services, which are of great benefit to employers. We develop drug and alcohol policies for clients that meet DOT regulations. Additionally, we offer DNA paternity and genetic testing, hair testing for drugs, employee education and supervisor training programs which are required under DOT regulations and of great benefit to non-DOT regulated firms.Plus, we offer background checks which can include various services such as criminal background checks, drivers license and driving records checks, credit checks, social security verification, education verification, and previous employer checks.