Brown and Caldwell is an environmental engineering and consulting firm that provides services to public and private clients in the United States. The company was founded in 1947 and has since grown to become one of the largest environmental engineering firms in the country. Brown and Caldwell's services include water and wastewater treatment, environmental remediation, and solid waste management. The company is known for its innovative solutions and commitment to sustainability. Brown and Caldwell has received numerous awards for its work, including the American Council of Engineering Companies' Grand Conceptor Award.