D&D Electrical Contractors has been conducting business for nearly 25 years as an open shop electrical contracting, service and systems cabling company in Massachusetts. The company provides electrical contracting services to the construction industry and directly to the client. Its services and special projects division provides 24-hour on-call services and smaller project installations. D&D Electrical Contractors also provides layout and design services for clients requesting a design-build process. It works on projects, such as multifamily housing complexes, large and small commercial and industrial buildings, process plants, medical facilities, shopping malls and retail outlets. D&D Electrical Contractors operates a division, D&D Solar Electric Installations, which specializes in government, commercial and residential grid-connected solar electric systems. It is a part of D&D Companies, which also operates DNET Cabling Technologies.