Carollo Engineers

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For more than 75 years, Carollo Engineers has successfully completed more than 15,000 projects for public sector clients. The Engineering News Record has rated the firm as a top 100 design firm. It is an environmental engineering firm that specializes in the planning, design and construction of water and wastewater facilities. The company has a presence in more than 10 states with nearly 20 offices throughout the country. Carollo employs more than 700 people that include more than 300 registered engineers. The engineers have experience a number of industries, such as civil, sanitary, environmental, electrical, mechanical, chemical, structural, control systems and corrosion control. The firm provides a variety of services, such as water, wastewater, energy, air quality, storm water, water reuse construction management, groundwater, design/build, integrated water resources and associated services. Carollo Engineers has a location in Walnut Creek, Calif.