Larchmont Engineering, 11 Billerica Rd, Chelmsford, MA 01824, US

HNTB Corporation, located in Burlington, Mass., is a national transportation infrastructure firm. It offers design, engineering and planning services to federal and state government clients and the residential and commercial sectors. The company is a part of HNTB, a multidisciplinary firm that provides professionals services in three primary markets that include transportation, architecture and federal services. HNTB Corporation has a staff of professional personnel that includes engineers, architects and planners. It provides services in the development and construction of various types of projects, such as airports, bridges, tunnels and highways, as well as facilities for the sports, entertainment, education, government and business sectors. Additionally, the company provides construction management services that include engineering and inspection, project scheduling, contract administration, quality control and information systems management.