Underground Utility Construction Services with Confidence

ECI Contracting delivers safe, efficient underground infrastructure for electric, gas, and water, fiber and communication utilities.

Explore Services

Why Choose ECI for Underground Utility Construction

Whether you’re installing new underground infrastructure or replacing aging assets, ECI brings the trenchless expertise, skilled crews, and specialized equipment to get the job done right.

  • Over 100+ years of combined construction experience from leadership team
  • Partner with clients to deliver outside the box solutions to complex projects
  • HDD, trenching, and plowing for any site conditions
  • Experienced in both public right-of-way and private property installations
Aerial view of underground utility construction site with workers, equipment, and trenching for electric, gas, and water infrastructure.

Industries We Serve

Municipal Utilities

underground water, sewer, and gas upgrades

Electric & Gas Providers

distribution and transmission projects

Water Infrastructure Operators

mains, laterals, and tie-ins

Data Centers

transmission projects using our trenchless services

Our Services

Plan view and profile diagram for a Horizontal Directional Drilling (HDD) project, detailing entry and exit points, alignment, and measurements for underground utility installation under the St. Louis River.

Design-Build Trenchless Utility Construction

We handle your project from concept to completion with a single point of contact.

  • Routing and feasibility studies
  • GIS mapping and permitting
  • Complete installation and restoration

Horizontal Directional Drilling (HDD)

Trenchless installation for gas, electric, and water lines under roads, rivers, and developed areas.

  • All material types: steel, ductile iron, HDPE, PVC, conduit
  • Hydrofracture risk analysis
Construction worker in reflective gear overseeing Horizontal Directional Drilling (HDD) equipment on snowy terrain, emphasizing trenchless utility installation for gas, electric, and water lines.
Excavation equipment operating in a muddy area, showcasing trenchless technology for utility installation in energy infrastructure projects.

Gas & Electric Distribution

Full-scope underground utility installations including fusing, conduit placement, and cable installation.

  • Vacuum excavation for utility locating
  • Trenching and plowing for rural corridors

Restoration Services

Restoring utility corridors to pre-construction condition.

  • Soft surface: turf, topsoil, erosion control
  • Hard surface: asphalt, concrete, ADA ramps
Workers installing restoration fabric on a grassy area after underground utility work, showcasing ECI Contracting's commitment to restoring utility corridors to pre-construction condition.
Construction worker in high-visibility jacket and helmet installing drainage pipes in a trench, emphasizing underground utility installation and restoration services.

Drain Tile Repair & Mitigation

Protecting and repairing agricultural drainage systems impacted by utility projects.

  • GIS mapping and documentation
  • Temporary and permanent drain tile repairs

Our Simple, Streamlined Process

Gaining Confidence Underground Starts Here

Even if your project is still in early planning, we’d be happy to arrange a brown bag-style lunch-and-learn to introduce our team, review your challenges, and explore solutions together.

Let’s discuss your utility project and objectives.

We align on all project details and mobilize quickly.

Gain peace of mind knowing your utility infrastructure is built for reliability and longevity.

Meet with an Expert

We install gas mains, electric conduit, water mains, sewer lines, and joint trench configurations for utility providers and municipalities.

Yes. We provide horizontal directional drilling (HDD) services to install utilities under roads, waterways, and developed areas without open cutting.

Absolutely. We provide both soft and hard surface restoration to meet or exceed municipal and client specifications.

Yes. Our crews are experienced in navigating tight urban job sites and long rural corridors.