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About Us


For 20 years Horizons’ Innovative technology and skilled labor force has supported the Construction industry with their drilling and excavation projects. In the beginning Horizon began as a drilling contractor, through the years, operating in the fast-paced telecommunications industry, Horizon has evolved into a full-service utility infrastructure contractor. Our company has focused on and has been a major player in the underground construction industry and we have installed hundreds of miles of conduit and cable in the Western United States. With our growth, we have expanded our customer base, which includes telecom, wireless providers, solar, electric, gas, and railroad.

​Horizon Underground is capable of self- performing all aspects of underground utility construction and perform as a subcontractor or prime contractor. We specialize in the following:

  • Directional Boring
  • Open Trench Construction
  • Hydro- Vacuum Excavation
  • Utility Vault Construction
  • Conduit Rodding/ Verification/ Documentation
  • Inner- duct and Cable Installation (Fiber, Copper, Coaxial)
  • Aerial Construction
  • Fiber Splicing/ Testing
  • Saw- Cutting
  • Utility Service Locating
  • Concrete Construction
  • Asphalt Restoration
  • Project Management/ Planning/ Scheduling
  • Route Planning/ Estimation
  • Permit Acquisition


Horizon Underground is committed to performance, striving for excellence in the utility industry. Horizon employs trained and knowledgeable staff with decades of combined experience. Our employees are the lifeblood of our company, and we take pride in hiring the most knowledgeable employees to be able to provide excellent service and quality workmanship to our customers.


Our Focus On Safety


Horizon Underground is dedicated to keeping all of our employees safe and we know this doesn't happen by accident. We have fostered a positive safety culture and implemented a safety program to maximize the way we communicate about and develop safe work practices. Our safety management system includes: Daily worksite "tailgate" meetings to discuss the upcoming work functions to be performed and identify any potential safety hazards associated with those functions; Worksite audits conducted by one of our trained safety coordinators; Weekly safety meetings that cover specific industry related topics; as well as a quarterly "All- hands" meeting to review/ discuss all safety incidents and accidents that may have occurred and cover additional safety training items. We understand that continuous safety training is the key to developing a true safety mindset.

All of our employees are minimally trained in the following:

OSHA 10 Hour Training
Hazwoper Training
First Aid and CPR
Competent Person Training
Railroad Safety Training

We have also enlisted the help of EEAP, a Safety Management Consultant to provide comprehensive education and support. Our number one priority is for every one of our employees to return home safely every day.

Services that we offer

  • Open Cut/Trenching
  • Horizontal Drilling
  • Hydro Vacuum Excavation
  • Utility Service Locating
  • Turnkey Projects

Even though it is much more invasive, open cut trenching is still a necessary method of conduit placement and utility installation. Larger diameter pipes and/ or numerous conduits or cables in a single trench may require open cut trenches for the completion of projects.

Our operators are very skilled and experienced in most utility installation work situations. Horizon has the equipment and personnel to complete trenching jobs of any size via trencher, backhoe, or hydro-vac.

Directional boring is a steerable trenchless method of installing underground pipe, conduit, or cable along a prescribed bore path using a surface- launched drilling rig with minimal impact on the surrounding area. Directional boring is used when trenching or excavation is not practical. It is suitable for a variety of soil conditions and jobs including road, landscape, and river crossings.

Directional boring is used for installing infrastructures such as telecommunications and power cable conduits, water lines, sewer lines, gas lines, and environmental remediation casings.

Horizon Underground Inc. began as a directional drilling contractor and we continue to specialize in this field. We have the finest drill crews and equipment ready to complete any directional drilling job.

Hydro Vacuum Excavation is a technology that uses water or air pressure to break up soil and debris so that it can be safely extracted by vacuum force. This method reduces the risk of damage, while exposing buried utilities as well as cuts down costs for restorations. Horizon is quite adept at this method of excavation and has the equipment and experience for any size project.

When restricted space is a concern hydro excavation is a great solution to aide with your project. Horizons fleet offers multiple sized machines to fit your project needs even in the most extreme weather conditions.

Examples of Applications for Hydro Excavation:

  • Potholing / Daylighting
  • Excavation & Trenching
  • Caissons
  • Utility Locates to identify & protect
  • Sign Posts & Bases
  • Tunneling Debris removal
  • Excavating on the Interior of Buildings
  • Excavate through frozen ground in conditions down to -20 degrees

This service we provide helps to ensure there are no conflicts with a proposed excavation by electronically locating underground utilities. This is done by various methods with specialized equipment which changes frequently, we do our best to keep up with the latest technology. Horizon has the ability to both private locate and pothole to visually verify underground utilities, to ensure all your bases are covered to complete the job without any damages.

Horizon Underground is a full-service underground utility infrastructure contractor, able to self- perform all aspects of underground utility construction. Our staff has the experience and knowledge you can count on to make sure your project will be completed in the most efficient way possible. From permitting to scheduling, through construction and cleanup, we will strive not only to meet but to exceed all of your expectations.

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Contact Us

  • 1595 Mountain Avenue
    Norco, California 92860 USA

  • info@horizonundergroundinc.com

  • (877) 603-07459

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