Koga Engineering & Construction, headquartered in Honolulu, is a civil engineering company. It specializes in projects that involve excavation, utilities and roadwork. The company also operates as a subcontractor that provides site preparation services. The company works through competitive bidding and negotiating fixed-price, cost-plus and unit-price contracts. Its customers include private developers, municipalities, and county, state and federal agencies. Koga Engineering & Construction has annual revenues of more than $24 million and was founded in 1973 by Malcolm T. Koga. The company is a member of the General Contractors Association of Hawaii, a state chapter of the Associated General Contractors of America. It maintains branch offices in Lihu'e and Kamuela, Hawaii.