HNTB Corp

AECOM is a leading global provider of professional technical and management support services, specializing in engineering, design, and consulting for a wide range of industries. With a focus on sustainability and innovation, AECOM delivers solutions that enhance the built environment and improve the quality of life for communities around the world. Generated from their business information

Founded in 1917, HDR is an employee-owned architectural, engineering and consulting firm. Headquartered in Omaha, Neb., it maintains more than 150 offices worldwide. The firm employs more than 6,000 professionals, such as architects, engineers, consultants, scientists, planners and construction managers. HDR provides a range of services, such as architectural design, asset and construction management, capital planning and decision analysis. It also offers environmental, hazardous waste and program management, risk analysis, wastewater treatment, interior design, landscaping and laboratory consulting services. The firm serves clients in the health care, government, science and technology, power and energy, institutional and transportation sectors. HDR maintains a location in Walnut Creek, Calif.

Structural engineering design of new and remodeled single family homes