Washington Group International was an American corporation which provided integrated engineering, construction, and management services to businesses and governments around the world. Based in Boise, Idaho, WGI had approximately 25,000 employees working in over 40 states and more than 30 countries. Its primary areas of expertise were: infrastructure, mining, industrial/process, energy & environment, and power. It was acquired by URS Corporation of San Francisco in November 2007 for $3.1 billion, and currently operates as the "Energy and Construction Division" of URS.