Company founded
1973
Founded in 1973, HTA has enjoyed a steady growth over the past 33 years. In that period, we have completed over 12,500 projects. Our corporate headquarters is located in Manchester, New Hampshire's historic mill yard, with regional offices in Portsmouth, New Hampshire; Burlington, Vermont; Boston and Westborough, Massachusetts; Orlando, Hernando and Mt. Dora, Florida; and in the US Virgin Islands. While the majority of our projects are along the eastern seaboard, we have completed many projects throughout the United States.HTA’s team of professionals provides municipal, state and federal clients with quality civil, structural, environmental, transportation and aviation, planning and engineering.