Hussey, Gay, Bell & DeYoung, also known as HGBD, offers a range of civil engineering, planning and architectural services. The company maintains office locations in the southeastern United States. It has been in operation for more than 50 years and offers a variety of design and build services. The company specializes in environmental, geotechnical and structural engineering services. Hussey, Gay, Bell & DeYoung undertakers projects for water and wastewater facilities. The company employs a staff of over 200 people. It serves clients in the educational, hospitality, industrial and manufacturing markets. Hussey, Gay, Bell & DeYoung s project portfolio includes the U.S. Highway 278 and East Cooper Water Main.