About New England Subsurface Imaging

private utility locating ct


New England Subsurface Imaging, LLC was founded in 2008 in Connecticut, to provide precision utility locating, concrete imaging, and ground penetrating radar surveys to clients in the New England area. Since it’s inception NESI has achieved steady growth, this has allowed us to expand and take on projects of any size. We provide utility locating and concrete inspection services to construction companies, contracting companies, environmental and surveying companies, engineering and utility companies, state and federal sites, municipalities, colleges and universities and private property owners in CT, NY, MA and RI.


New England Subsurface Imaging has been regarded as a company offering invaluable professional services by clients needing comprehensive information of subsurface utilities and structures. We pride ourselves in our thorough understanding of subsurface utility systems and the use of geophysical surveying equipment, and a drive for excellence and quality that exceeds our clients expectations. We provide cost effective solutions for your underground locating needs, and are capable of taking on projects of any size. Our technicians are field trained and manufacturer certified on all equipment used, and have attended Staking University for an advanced knowledge of electromagnetic locating systems, and complex locate scenarios.

Call Before You Dig!

New England Subsurface Imaging is a Connecticut Certified WBE/SBE. We have trained and certified technicians on board with years of underground utility locating & ground penetrating radar experience.

We perform underground utility locating & concrete scanning in some of the most congested & challenging areas, and stand behind our attention to detail on each and every project.

Client Testimonials

I’ve been conducting environmental field work for almost ten years, and have had my share of near misses due to unavailable or erroneous site utility information.  I rely on New England Subsurface Imaging whenever I have utility clearance needs, and recommend their expert GPR service without reservation. NESI's attention to detail is unsurpassed, and the quality of service is exceptional

Brian Holdt - Scientist

Contact Us

New England Subsurface Imaging, LLC
P.O. Box 120
Newtown, CT 06470
Tel. 203-873-7397
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