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SEC is on the move! New office. Same committed team. Learn more.

Our Service Area
Land Surveying & Civil Engineering
Southern NH & Merrimack Valley, MA
We provide licensed land surveying and professional civil engineering services to homeowners, developers, businesses, and municipalities in southern New Hampshire and northeastern Massachusetts.
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Today, our offices are in North Andover, MA, but our roots are in Plaistow. We continue to focus on serving clients there and in the surrounding communities of Atkinson, Danville, Kingston, Hampstead, Derry, Salem, Newton, East Kingston, Fremont, Sandown, and Windham.
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We also work extensively in towns along the Massachusetts border, with a focus on the areas near Haverhill, Lawrence, Newburyport, and North Andover.
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