Diamond Construction has provided commercial construction services for more than 20 years to Montana and surrounding states. The company was founded by Dean Bjerke in 1985 and incorporated in January 1992. The corporate offices are located in Helena, Mont., in an 8,000-square-foot building housing management, business and project support personnel. The DCI family of businesses consists of several team-member companies that provide services and products to the commercial construction market. DCI s partnership companies include Glacier Industrial Supply, which does construction material wholesale; Silver City Cabinets, which offers commercial cabinets and millwork; Silver City Stone, fabricators of stone and granite countertops; and Bjerke Architects. These partners, along with DCI core construction services, have made Diamond Construction a leader in the commercial construction market.