Altus Engineering Inc, 133 Court St, Portsmouth, NH 03801, US

Vanasse Hangen Brustlin, also known as VHB, has been operational since 1979. It offers a range of transportation, land development and environmental consultation services. The employee-owned company maintains locations in New York, New Jersey, Virginia, Maryland, North Carolina and Florida. Vanasse Hangen Brustlin also maintains a staff of more than 900 employees. It provides civil engineering, environmental restoration, land surveying, transportation planning and urban design solutions. In addition, the company serves clients in the educational, health care, utility and real estate markets. Vanasse Hangen Brustlin has undertaken projects for Harvard Medical School, Philadelphia International Airport and Mary Washington Hospital.