Alliant Systems is the leading service and design / build mechanical contractor in Oregon and Southwest Washington. We provid ... e our customers with a full spectrum of high quality specialized mechanical services at competitive prices – new construction, tenant improvement, engineering, maintenance, controls, energy services, and commissioning. We have engineered and constructed buildings of all sizes and uses including, office, institutional, educational, multi family, and healthcare. Our field workforce is highly skilled and we have many individuals, both in the field and the office, who have worked together for more than 25 years. The experience and level of communication this brings to a project is invaluable to our clients. Our reputation in the construction industry is second to none. www.alliant-systems.com read more