D & D Mechanical, 3000 Bessemer Rd, Birmingham, AL 35208, US

Established in 1981, Trinity Contractors provides a wide range of services, such as mechanical, general and electrical construction. Its mechanical group specializes in piping, plumbing, heating, ventilation and air conditioning systems, ventilation, sheet metal fabrication, pollution control systems, welding and insulation services. It offers various plumbing services, such as drain cleaning, sewer and water line repair and installation and sewer video services. Its electrical services include interior and exterior lighting, telephone cabling, generator installation and repairing of circuits. It additionally provides computer control systems and energy management programs. Trinity Contractors offers 24-hour customer care services and is located in Trussville, Ala.