RGB Mechanical Contractors Inc. is a full-service contracting firm. The company provides mechanical/electrical contracting and has acoustical ceiling capabilities. Based in Jonesboro, Ark., it also offers a complete sheet metal and metal fabrication shop. RGB Mechanical Contractors Inc. provides services, such as project management, underground installations, budget preparation, commercial and industrial electrical installations, planned maintenance agreements and site utilities. The company specializes in the planning, design and installation of electrical systems for commercial, industrial, institutional and multi-residential projects.