Headquarters. Walnut Creek, Calif.
Branch Offices. Brown and Caldwell has 40 offices nationwide.
Roots. Brown and Caldwell has been in business for more than 55 years.
Areas of Expertise. This full-service environmental engineering firm works with municipalities, government agencies, and private industry nationwide.
Key Markets. Business consulting, environmental services, information technology, solid waste, water, wastewater, and water resources.