Find and Invite the Best Commercial Utility Contractors in Ontario, CA

Minden Corp. is a general engineering contractor based in Southern California, specializing in flood control, storm drain structures, and custom concrete. Established in September 2005, the company is committed to safety, honesty, and quality, and carries comprehensive insurance coverage.

Spearhead Locating Services is a specialist in damage prevention and utility locating, offering a range of services including underground utility detection, concrete scanning, subsurface investigation, underground cable fault detection, and utility mapping in Ventura, Santa Barbara, and Los Angeles Counties.

Advantage Reline specializes in cutting-edge trenchless pipe repair technology, offering solutions such as Sprayed-In-Place Pipe (SIPP) and Cured-In-Place Pipe (CIPP) for sewer, storm drain, gas, and potable water pipes. With over 20 years of experience, the company provides a patent-pending system that repairs pipes ranging from 2 to 120 inches in diameter without the need for excavation.

Trinity Grading, Inc. is a company with a rich history since the 1970s, known for its quality work in grading and construction services, including earthworks, site demolition, utility systems, and more, for industrial, commercial, medical, educational, government, residential, and church projects.

High Desert Underground, Inc. is a construction company specializing in sewer, water, storm drain, paving, and grading services, with office hours from 8:00 am to 4:30 pm, Monday through Friday, located at 13355 Osage Ct, Apple Valley, CA 92308.

TNT Blanchard General Engineering Inc. is a heavy civil projects contractor based in California, specializing in all phases of grading and site improvements. The company incorporates GPS technology in its projects, which include residential tracts, commercial sites, public schools, and golf courses, and serves California, Arizona, and Nevada.

Flamingo Construction Inc. is a concrete, shoring, and underground utility contractor based in Studio City, California. The company has a proven track record in the construction of commercial, industrial, multi-family, custom home, and residential tract markets in the Greater Los Angeles Area.

Insight Environmental, Engineering & Construction, Inc. is a minority-owned small business with over 30 years of experience as a U.S. Government contractor, specializing in engineering, construction, and remediation projects with a portfolio valued at $3.8 billion, including environmental services such as landfill capping, hazardous waste management, and sustainable solutions.

Mark Company, founded in 1964, is a well-established and trusted subcontractor in Southern California, offering comprehensive general engineering services including demolition, grading, wet and dry utilities, concrete and asphalt paving, and more for multi-family, commercial, and residential developments.

Riptide Industries is a general engineering and pipeline contractor providing emergency service, repair, new construction, and replacement services in Greater Los Angeles County, Orange County, Inland Empire, and San Diego County.

Inland Valley Pipeline Inc. is a family-owned and operated general engineering contractor based in California, specializing in commercial, residential, and public works projects, including water and sewer services, drainage systems, and site development excavation. They are known for their reliability, timely completion of projects, and staying within budget while fostering long-term relationships with clients through trust and cost-effective work execution.

Caliagua is a California-based general engineering contractor with over 45 years of experience in the water and wastewater infrastructure industry. The company specializes in the construction of pump stations and treatment facilities, and has a history of ecologically sound water reclamation projects and pumping stations.

Sancon Technologies has nearly 40 years of experience in trenchless technology for the rehabilitation of water, sewer pipelines, and related infrastructure, offering a range of services including manufacturing and installation of rehabilitation products. The company is based in Huntington Beach, California, and serves public agencies across California, Nevada, and Arizona.

Patriot Pipeline, Inc. is a general engineering contractor that specializes in underground utility installation and repairs for both commercial and residential projects. The company offers a range of services including sewer system installation and repair, water pipeline installation and repair, storm drain installations, storm water management, and emergency response services.

ETIC is a certified small and women-owned business specializing in environmental, civil consulting, engineering, and construction services, with a focus on providing practical, sustainable, and cost-effective solutions. The company prides itself on safety, quality, and value, earning 85% of its projects from repeat business.