About ACI Northwest

ACI Northwest, Inc. has been family-owned and operated in the Coeur d’Alene and Spokane area since 1992, becoming one of the largest construction employers in the region. We offer a wide range of construction and building services. Over the years, we have been voted one of Idaho's top privately held businesses due to our commitment to quality, production, safety, and strong customer relationships.



ACI Northwest, Inc. excels in providing comprehensive heavy excavation, site preparation, and general contracting services across Idaho, Washington, and Montana. Our expertise includes road and highway construction, mass excavation, water and sewer central installations, and underground utilities. Known for meticulous planning and quality artistry, we ensure efficient and effective project completion.

We handle various projects, including land development for subdivisions, commercial buildings, apartment complexes, mine support, reclamation, and public utilities. Our experienced team and state-of-the-art equipment enable us to precisely manage complicated projects, making ACI Northwest, Inc. a trusted choice in the industry.