CDL

design and production of the advertising content of banners and signs for advertising, promotional, or marketing purposes

electrical contractor services; HVAC contractor services; plumbing contractor services; installation, maintenance and repair of railroad signal systems; installation, maintenance, inspection, and repair of fire protection systems; installation, maintenance, and repair of generators; installation, maintenance and repair of refrigeration systems; installation, maintenance, and repair of security systems; installation, maintenance, and repair of signage; installation, maintenance, and repair of solar energy systems and alternative energy products for residential and commercial use; installation, maintenance, and repair of warning and siren systems; construction services, namely, trenching and boring services; installation, maintenance, and repair of railroad equipment and electrical systems for the railroad industry

metal fabrication and finishing services for others

design and inspection of fire protection systems; graphic design of advertising banners and signs