Portfolio|Companies

National Underground Group

National Underground Group

National Underground Group (formerly HSW ProPipe Inc.) has been providing solutions to engineering firms, government entities, utility owners, and contractors across the nation for over 30 years. The company’s businesses, including Pro-Pipe, Tri-State Utilities, Accumark, Pipevision and Benchmark, strive to always bring value to customers through high-quality data deliverables and services in pipeline cleaning and assessment, cross bore inspection, trenchless rehabilitation and subsurface utility locating and mapping.

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