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Business Details
44 Years
experience
Emergency
services
Your Trusted Partner for Underground Construction Solutions
Since 1982, Ranger Pipelines has established itself as a premier underground construction contractor in Northern California. With over four decades of experience, we specialize in heavy underground infrastructure projects, including sewer systems, water transmission pipelines, hydronic piping, and gas distribution networks. Our team's expertise in complex shoring, dewatering systems, and trenchless technologies enables us to tackle projects in congested urban and environmentally sensitive rural areas. We maintain a strong safety culture with an EMR below industry averages, reflecting our commitment to protecting workers and the public.

As a licensed Class A, B, C-4, and HAZ contractor, we offer Progressive Design-Build services that emphasize collaboration, value engineering, and sustainable practices. Our 40-year track record of completing 700+ projects demonstrates our ability to deliver complex infrastructure solutions on time and within budget while maintaining compliance with local hire and disadvantaged business enterprise goals.
Services
Sewer Systems Water Transmission Hydronic Piping Gas Distribution Dry Utilities Emergency Repairs Trenchless Technology Pipeline Rehabilitation Mechanical Systems Streetscape Projects
Details
  • Year established: 1982
Highlights and features
  • We have over 40 years of experience in Northern California underground construction
  • Our safety record consistently exceeds industry standards with low EMR ratings
  • We pioneered Progressive Design-Build delivery methods for infrastructure projects
  • Our 24/7 emergency response team handles urgent pipeline and utility issues
  • We maintain strong relationships with specialty subcontractors across California
Associations and certifications
  • California Contractors State License Board
Services
Sewer Systems
Ranger Pipelines delivers comprehensive sewer system solutions including transmission lines, lift stations, and trenchless rehabilitation. Our expertise in complex shoring and dewatering enables installation in challenging urban environments while maintaining public safety. We utilize advanced pipe bursting and directional drilling techniques to minimize surface disruption during sewer upgrades.
Water Transmission
We construct and rehabilitate critical water transmission pipelines using state-of-the-art trenchless technologies. Our capabilities include micro tunneling, jack and bore methods, and seismic rehabilitation for earthquake-prone regions. With 40 years of experience, we've completed over 700 water infrastructure projects ensuring reliable water delivery systems for Northern California communities.
Hydronic Piping
Our hydronic piping solutions optimize heating and cooling systems through energy-efficient design and installation. We handle complete system integration including boilers, heat exchangers, and variable-speed pumps while ensuring compliance with environmental regulations. Our retrofitting services modernize existing systems to improve performance and reduce energy consumption for commercial and industrial clients.
Gas Distribution
We provide comprehensive gas distribution system services from pipeline installation to emergency leak repair. Our technicians implement advanced leak detection technologies and follow strict safety protocols for industrial gas systems. We specialize in integrating gas infrastructure with power generation equipment while maintaining compliance with all relevant safety standards.
Emergency Repairs
Our emergency response team provides rapid pipeline repair services for critical infrastructure failures. Available 24/7, we address utility disruptions, system failures, and natural disaster damage with specialized equipment and trained personnel. Our emergency protocols prioritize public safety while minimizing downtime for essential utility services.
People
Thomas Hunt
President and CEO
Founder Thomas Hunt leads Ranger Pipelines with 40+ years of engineering construction experience. He previously worked on the Alaskan pipeline project and established the company in 1982. Under his leadership, the firm has completed 700+ underground infrastructure projects across California.
Questions
What types of construction projects does Ranger Pipelines specialize in?
We specialize in heavy underground infrastructure including sewer systems, water transmission pipelines, hydronic piping, gas distribution networks, and dry utilities. Our expertise includes trenchless technologies and complex shoring solutions.
Do you offer emergency pipeline repair services?
Yes, we provide 24/7 emergency response for pipeline failures, utility disruptions, and natural disaster damage. Our rapid response team handles urgent repairs with specialized equipment and safety protocols.
How does Ranger Pipelines ensure project safety?
We maintain an EMR below industry averages through comprehensive safety training, equipment standards, and a culture empowering all employees to prioritize safety. Our protocols protect both workers and the public during construction activities.
What geographic areas do you serve?
We primarily serve Northern California, including San Francisco, Castro Valley, San Ramon, and Sunol. Our experience includes projects in both congested urban environments and rural areas with environmental constraints.