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JSN Associates , Inc.
One Autumn Street
Portsmouth, New Hampshire 03801
JSN was established in 1987 to provide engineering and design services to the construction industry throughout New England. We currently operate with a staff of ten to twelve, complete hundreds of projects per year, and have a client list exceeding 500. O... more
JSN Associates, Inc.
603-433-8639 ext. 201
College of Saint Elizabeth
NYU Langone Medical Center