Retail services by direct and phone solicitation by sales agents and on-line retail services in the field of temperature control systems for trucks, trailers, containers and railroads

Installation, maintenance and repair of mobile computing systems and mobile tracking systems for trucks, trailers and containers; installation, maintenance and repair of wide-area network and local-area network systems; installation, maintenance and repair of after-market products for trucks, trailers and containers; installation, maintenance and repair of temperature control systems for trucks, trailers, containers and railroads