McKinstry Company operates as a mechanical construction and engineering company in the Pacific Northwest. It offers engineering, design, construction, fabrication, HVAC, fire protection, plumbing/piping, architectural metals, pre-construction, commissioning, service and maintenance, electrical, energy, controls, and facility management services. McKinstry Company was founded in 1960 and is headquartered in Seattle, Washington. The company also has branch offices in Spokane, Washington; Portland, Oregon; Denver, Colorado; and Minneapolis, Minnesota.