Who We Are

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/Structural engineering, Bill has built his business and his reputation through many business cycles, housing bubbles and economic downturns.

The business has been focused mainly in New Hampshire with projects  ranging from residential subdivisions, concrete structural design, dam design,  to some higher visibility projects at the Cog Railway on Mount Washington, Santa’s Village in Jefferson, NH, the Weathervane Theater in Whitefield, NH, the new ski school building at Cannon Mountain, to name a few.  A more complete list can be found in projects.

Recently, Gregsak Engineering, Inc. became Gregsak and Sons, Inc with the addition of Bill’s two sons, Nick and John.

Meet the Team

William Gregsak - Gregsak & Sons, Inc

William M Gregsak

Founder, PE

William M Gregsak PE. is the founder of Gregsak Engineering and is licensed in New Hampshire, Connecticut, Massachusetts and Maine in Civil & Structural engineering. Bill has built his business and his reputation through many business cycles, housing bubbles and economic downturns.
NIck Gregsak

Nicholas W. Gregsak

AIA, NCARB

Nicholas W. Gregsak, AIA, NCARB, is a licensed Architect in Massachusetts and New Hampshire.  He is a graduate of the Wentworth Institute of Technology with a Master’s Degree in Architecture.  Nick has established himself in the commercial and multi-family residential design, working on projects that range from small renovations to multi-million dollar new construction buildings.
John Gregsak - Gregsak & Sons, Inc

John W. Gregsak

CSL

John W. Gregsak, CSL, is a Construction Manager with a Bachelor’s Degree from Roger Williams University.  John has supervised construction projects at major universities in Boston, commercial and residential remodels/renovations.

Affiliations & Licenses

Affiliations

Licenses

  • Professional Engineer: New Hampshire, Massachusetts, Maine, Connecticut
  • Licensed Septic Designer: New Hampshire
  • Licensed Soil Evaluator: Massachusetts
  • Professional Architect: New Hampshire, Massachusetts
  • Massachusetts Unrestricted Construction Supervisors: Massachusetts

We’d love the opportunity to earn your business