Tetra Tech Inc

Eastern Research Group Inc. (ERG) is a premier consulting firm based in Sacramento, California, specializing in environmental and public health challenges. With over 40 years of experience, ERG employs a cross-disciplinary approach, integrating expertise from environmental scientists, engineers, and data specialists to deliver tailored solutions for clients at various government levels. ERG is recognized as a national leader in addressing complex issues such as PFAS contamination, air quality, and sustainable facility planning. By collaborating with federal and state agencies, as well as international organizations, ERG is committed to enhancing public health, environmental safety, and regulatory compliance across the United States. Generated from the website

Environmental Science Associates (ESA) is an employee-owned firm based in Sacramento, California, dedicated to driving sustainable, resilient, and equitable solutions across various sectors, including natural resource management, community development, and environmental permitting. With a commitment to technical excellence and innovation, ESA partners with clients and communities to shape a better world through their diverse range of services. ESA's project portfolio includes significant initiatives such as the Lookout Slough Tidal Habitat Restoration and Flood Improvement Project in California and the Southwest Florida International Airport Master Plan Update. The firm emphasizes a culture of justice, equity, diversity, and inclusion, fostering a collaborative environment where every employee owner contributes to the firm's success. Generated from the website

Westervelt Ecological Services (WES), a privately held company, creates mitigation banks and provides environmental mitigation and habitat planning services. It serves landowners, businesses, government agencies and land trusts. Located in Tuscaloosa, Ala., it is one of the premier land resource companies in the United States. The company owns and manages forests in the southeastern United States, producing lumber and wood products for domestic and international markets. Its staff has 65 years of combined experience in the environmental field and over 25 years in environmental mitigation banking. Westervelt Ecological Services is a participant in the Sustainable Forestry Initiative (SFI). Some of its projects were Big Sandy Mitigation Bank, Mariner Vernal Pool Conservation Bank, Pensacola Bay Mitigation Bank, etc.