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An ISO 9001:2015

Biggest Composite Repair


Epoxy and Polyurethane

Composite Repair Systems

ClockSpring|NRI Adds Milliken Infrastructure Solutions to its Portfolio

Leading Composite Repair Manufacturer Expands Suite of Rehabilitation Products for Critical Infrastructure

Check out our expanded portfolio of offerings from our most recent acquisition


About ClockSpring|NRI

ClockSpring|NRI is a Houston-based manufacturer and provider of high-performance critical infrastructure construction and repair products and associated engineering support and training services.  Our customers use our solutions to maintain, rehabilitate, and construct pipelines, natural gas distribution lines, high-consequence industrial pipe works, and civil structures. ClockSpring|NRI composite pipe repair systems and inline insertion valves are in use in more than 75 countries and include industry-leading products such as Clock Spring™, Syntho-Glass®XT, Scar-Guard®, Contour, and DiamondWrap® composite products, as well as the award-winning AVT EZ Valve™ for water and gas lines. All ClockSpring|NRI products are easy to install, cost-effective to deploy, and durable for decades.

Solutions & Services


NRI-U offers expert training, multiple curriculum programs, fully-mobile training and site support.

Training & Education

NRI-U offers expert training, multiple curriculum programs, fully-mobile training and site support.

Pipeline Integrity & Corrosion Repair

Find Your Pipeline Integrity & Repair Solution.

Process Piping

Expert solutions to repair leaks on damaged transmission pipelines.

Structure & Pipeline Corrosion Protection


When shutdown is not an option for you offshore assets.

Structural Strengthening

Protect and strengthen your infrastructure with confidence.

Speak with an Expert

CS|NRI offers a full line of custom Engineered Composite Repair (ECR) Systems designed specifically for the use of pipelines, process piping, and concrete structures.

What we can do for you:

  • Assistance with composite reinforcement approval process
  • Sample engineering proposal
  • Hands-on training for your contractor
  • Educational meetings for your employees and colleagues
  • Pilot program with your company
  • Review of current and potential issues

Contact us today

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