SWCA Environmental Consultants is a growing employee-owned consulting firm specializing in environmental regulatory compliance, natural resource management, cultural resource management and related research. We are a Top 500 Design Firm and Top 200 Environmental Firm according to the latest Engineering News-Record rankings. SWCA is a company of biologists, geologists, archaeologists, paleontologists and planners with more than 25 years of experience over 450 employees located in 22 offices throughout the U.S. and the Pacific Islands.