Alliant Systems Email Format

ConstructionOregon, United States51-200 Employees

Alliant Systems operates as a mechanical contractor in the Pacific Northwest, providing a broad mix of specialized services for building projects. Its offerings include new construction, tenant improvements, engineering, maintenance, controls, energy services, and commissioning. The company has designed and constructed facilities across office, institutional, educational, multi-family, and healthcare sectors.

A highly skilled field workforce and long-standing collaboration between field and office teams support effective communication and consistency on projects. Based in Portland, Oregon, Alliant Systems expanded its local footprint in 2026 with the opening of a new headquarters in Goose Hollow, downtown Portland.

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