Services & Technologies

Industry-Leading Underground Infrastructure Solutions Company

Cross Bore Inspection

The cross bore inspection program helps utility owners identify and eliminate risks due to the trenchless boring of utility lines through existing wastewater infrastructure.
Pipe Assessment

Degrading underground infrastructure requires a thorough inspection to determine the exact rehabilitation needs and underground pipe solutions required.
Pipe Cleaning

Cleaning removes underground sewer pipe blockages while helping to prepare the infrastructure for upcoming assessment and/or rehabilitation services. 
Trenchless Technology & Rehabilitation

Degraded or damaged sewer pipes and storm drains can be accessed, repaired or replaced without the disruptions and risks related to excavation.
Subsurface Utility Locating & Mapping

Before undertaking construction projects, locating underground utilities and creating accurate maps of these utilities are essential to the initial design.
811 Locating

Benchmark can provide full service 811 Locating services.

Professional Underground Infrastructure Services and Technology

When it comes to underground infrastructure, National Underground Group does it all — from sewer inspections, assessments and cleaning to underground pipe maintenance services and rehabilitation. And we do it with advanced, specialized technology, so our clients get the quality data they need to make knowledge-based and informed decisions. We deliver GPS/GIS-based maps and detailed data that is customized to our clients’ needs using virtually any software.

 

Complete Underground Infrastructure Solutions

Your work, and ours, is serious and potentially life-saving. National Underground Group is dedicated to providing municipalities, utility companies, engineers and contractors with the professional pipe services and technologies they need to help maintain the health and safety of our communities. The phrase “Safety First” is embedded in the history of the National Underground Group.

Our family of companies maintains the highest standards, performing all work in accordance with the requirements of the National Association of Sewer Service Companies (NASSCO), a governing body that sets industry standards for underground infrastructure.