General Contractors

IMCO Construction is a dynamic group of professionals, serving public and private clients throughout Washington, Montana, Oregon, Idaho, and beyond. From preconstruction through commissioning and operation, IMCO brings collaborative solutions. Our team performs a diverse scope of complex self-performed construction, alternative procurement, design support, planning, and logistics services, forging strong relationships along the way. IMCO’s team has been widely recognized for safety and construction excellence by AGC of Washington and ENR Northwest. The company specializes in hydropower and dam construction, water and wastewater, industrial projects, transportation and marine infrastructure. IMCO General Construction was founded in 1978. AGC member since 2006.

Contractors/Bridge, Contractors/Concrete, Contractors/Design-Build, Contractors/Environmental, Contractors/Heavy Civil, Contractors/Heavy Highway, Contractors/Industrial, Contractors/Marine, Contractors/Utility

Sitework and utility contractor. AGC member since 2006.

Contractors/Bridge, Contractors/Heavy Civil, Contractors/Utility, Earthwork