HNTB Corporation provides comprehensive planning, engineering and architectural services to public and private clients throughout the country. The firm's staff includes specialists in virtually all aspects of the planning-design-construction process including bridge, rail/transit, highway, civil, tunnel and geotechnical. In 2024, HNTB celebrated the 110th anniversary of its founding and its 70th year in Massachusetts.
300 Apollo Drive, 1st Floor
Chelmsford, MA 01824
(978) 905-4000