Hillis-Carnes Engineering Associates is a consulting engineering firm that offers material inspection, laboratory testing and drilling services. It serves clients, such as Washington Nationals Major League Ballpark, National Biodefense Anaylsis and Countermeasures Center, Savage Towne Center, MSHA District 4 Office Building, Walter Reed National Naval Medical Center Replacement Hospital and ABC Highway Flyover Bridge. The company undertakes commercial, health care, industrial, government, education, public works, residential, retail and transportation projects. Hillis-Carnes Engineering Associates provides construction services for communities, including Savage Towne Center, Maple Lawn, National Harbor, Piney Orchard, Centerpoint and Towson Promenande. It also handles residential, sports, maritime and institutional projects. The company maintains one of its locations in Salisbury, Md.