National Underground Group
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Who We Are

Since 1947, National Underground Group, formerly known as Hoffman Southwest Corp., has provided a full spectrum of services to maintain healthy underground infrastructures. Today, through our family of businesses, Pro-Pipe, Tri-State Utilities, Accumark, Pipe Vision and Benchmark, National Underground Group is focused on providing underground infrastructure solutions to municipalities, utilities, government agencies, construction companies and engineering firms throughout the U.S.

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Our Recent Jobs
Branch Manager
Layton, UT
SUE Technician Laborer
Chesapeake, VA
Camera Technician I
Sacramento, CA
Irvine, CA