4 Locations to serve you. On-site services. In business over 30 years. Urine drug testing. Express drug test (results in 1 hour). Basic drug screen. DOT drug screen. Alcohol testing. Breath alcohol testing with confirmation. Physical examinations, basic/pre-employment. Anual. DOT/DMV. TB Testing. Spirometry. Basic audiology. Hepatitis series. Tetanus immunization.