Located in Phoenix, Michael Baker Jr. provides engineering, operations and maintenance services to its clients. The firm's primary practice areas include aviation, environmental, facilities, geospatial information technologies, pipelines, telecommunications, transportation, wastewater, and oil and gas. Its civil engineering services include federal planning, mining and reclamation, program management, site development, surveying, mapping and emergency management program services. Its environmental engineering services include air monitoring, air quality management, construction management, decontamination and demolition, risk assessment, site engineering and investigation. Its transportation engineering services include bridge design and inspection, construction management, cultural resources, environmental studies, highway design and software development. It has more than 5,000 employees in nearly 40 offices throughout the United States.