CSI Tunnel Sys Inc, 9 Commercial St, Hudson, NH 03051, US

Operational for more than 25 years, Concrete Systems is approved by the Utility Contractors Association of New England, Construction Industries of Massachusetts and New Hampshire Good Roads. The company manufactures a wide variety of products, such as precast concrete buildings, concrete manholes and catchbasins, box culverts, retaining wall systems, bridge systems, flat bottom pipes, and custom structures. One of the largest precast concrete manufacturing facilities in the Northeast, CSI is headquartered in Hudson, N.H. Built on more than 25-acres of space, it has over 104,000-square-feet of product and administrative office space with an additional 60,000-square-foot manufacturing facility in Londonderry, N.H. CSI s products include MICRO8, 10, 12, and 21 series. Cast in modular sections, the company s buildings features include a full electrical package, heating, ventilating, and air-conditioning package, alarms and fire protection, and custom interior finish work. The company serves numerous clients, such as utilities, military, commercial, industrial, public and construction markets.

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