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Experience. Integrity. Efficiency. 


About the Team at SEC

SEC began serving the communities in southern New Hampshire back in 1987. We built our reputation and grew our business by staying true to our founding principles of hard work, dedication, and determination. Today, we work closely with our partners at Civil Design Consultants in Andover, MA to provide a full array of Land Surveying and Civil Engineering services. 

When you choose SEC, you choose ...

  • Projects managed by experienced licensed Land Surveyors (LLS and PLS) and professional Civil Engineers (PE) with decades of experience

  • A team that built a strong understanding of the challenges and regulations of the communities in our service area by completing more than 1,000 local projects

  • ​Professionals who have successfully served homeowners, builders, developers and municipalities

  • A commitment to responsibly utilizing the latest technologies--including aerial imagery and GNSS (global navigation satellite system)​ to deliver accurate results as quickly as possible

A Full Array of Services

15 Garden Road

Plaistow, NH 03685

Contact Us

​© 2026 All Rights Reserved | SEC & Associates

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