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Gregsak & Sons, Inc. | Formerly known as Gregsak Engineering, Inc.

Design – Build – Construction

Gregsak Engineering, Inc. has been a New Hampshire corporation since 1986, founded by William M Gregsak PE. Licensed in New Hampshire, Connecticut, Massachusetts, and Maine in Civil and Structural engineering, Bill has built his business and his reputation through many business cycles, housing bubbles, and economic downturns.


Civil & Structural Engineering

With over 35 years of civil and structural engineering experience, Gregsak & Sons, Inc. has been providing clients all over New England with high-quality designs, innovative solutions, along with exceptional client services.

Architectural Design

Gregsak & Sons, Inc. offers full architectural design services taking the client from schematic design all the way through completion of construction.

Construction Management

Gregsak & Sons, Inc. provides construction management services where the relationship starts at the design phase resulting in a well informed team and a seamless flow of communication right through completion of the project.

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