Three I Engineering Inc. is a consulting engineering and architectural firm specializing in the design of industrial, medical and commercial building facilities and equipment installation. Founded in 1976 to provide complete in-house engineering design services for new or renovated projects, the company s building services include architectural, civil, electrical, security and communications, mechanical and structural design work. The company offers engineering and architectural services for industrial and hospital facility engineers and maintenance professionals, contractors, insurance firms, attorneys, developers, and government agencies at the federal, state and local levels.