All Things Underground

Underground Infrastructure Solutions & Technologies

Members of Our Team

This comprehensive pipe solutions and technology company provides cross bore inspections, pipe condition assessments, cleaning, repairs and advanced data management solutions for storm drains and sewer pipes.

This pipe rehabilitation company offers trenchless cured-in-place-pipe (CIPP) lining, CCTV inspection and cleaning services for sewer and storm drain systems.

Specializing in subsurface utility designation and mapping, this utility locating company identifies the horizontal locations of existing buried utilities and structures.

Performing the latest technologically advanced sewer pipe inspections, this pipe inspection company offers solutions to locate blockages, verify joint and infrastructure integrity, and conduct post-construction analyses.

This utility locating service company is responsible for subsurface utility locating to eliminate or reduce damage to underground utilities during excavations.

How We Can Help

National Underground Group is the nation’s leading provider of underground infrastructure solutions and technologies, offering an extensive array of services.

Technology Makes Us Safer

National Underground Group keeps our communities safe and healthy by providing industry-leading services and advanced technologies for the assessment, maintenance and protection of underground infrastructure.

  • Extensive experience
  • Large fleet of trucks
  • GIS integration of NASSCO observations
  • GIS Integration of cross bore information
  • Smooth transfer to PACP exchange database
  • SUE quality levels A-D
  • Expert operational staff
  • Deep industry knowledge
  • Strong client relationships
  • Comprehensive service offerings
  • State-of-the-art technologies

Why We Do What We Do

National Underground Group provides high-quality solutions for municipalities, utility companies, engineering firms and underground construction companies. During the last several decades, we have built lasting partnerships within the industry and throughout the nation. With 22 offices in 10 states, National Underground Group can provide underground infrastructure services and technologies to any location in the United States.