NorthAmerican Transportation Association Inc NTA ... Your Official Internet DOT / OSHA / HAZMAT Training Site. The NTA understands the needs of the trucking industry and provides easy access to cost-affordable services, products & Certified DOT / TSI Training. Call today to learn about our testing program and all of our other member benefits! NTA offers Nationwide Drug and Alcohol Testing (Nationally Accredited), DOT Safety Compliance Reviews, Nationwide Driver Safety File Compliance, Internet Safety Compliance Files, Nationwide Occupational Accident Programs, Nationwide Medical Program, Safety / Health / Regulatory Compliance Products, Truck Liability and Cargo Insurance*, Dental and Health Insurance Plans* (*limited to certain areas), Credit Union, and many more. NorthAmerican Transportation Association, Inc - a leading transportation benefits and safety compliance organization - is the one-stop resource for private companies, motor carriers, bus carriers and Owner-Operators. All of your needs under one roof. We've still got you covered ... and then some! Call today!