For more than 30 years, Cornerstone Valve has built lasting customer relationships by delivering dependable, custom-engineered valve solutions for critical isolation applications. Our growth has been steady and intentional, driven by performance, reliability, and a commitment to solving the challenges our customers face in demanding environments.
Our vision is to be the trusted leader in specialized valve solutions, known for technical expertise, innovation, and responsive customer support. We focus on delivering practical solutions to complex engineering and commercial challenges within our niche market.
At Cornerstone Valve, our team brings deep industry knowledge, collaborative problem-solving, and a commitment to continuous improvement. By combining proven engineering with modern technologies and data-driven decision making, we deliver valve solutions that meet the highest standards for safety, reliability, and performance.
Every member of the Cornerstone Valve team plays a role in ensuring our customers receive solutions they can depend on—every time.
Since 1990, we have taken pride in delivering engineered flow control solutions to a wide range of industries. Our expertise spans oil and gas—including high-pressure, subsea, and cryogenic applications—as well as the elevated temperatures of power generation and the demanding conditions of aerospace. Our strength lies in our unique designs, flexibility, and continued commitment to state-of-the-art engineering for severe service environments.
Cornerstone Valve formed, with its very first orders placed by the United States Navy, and thereafter, critical Aerospace applications
Cornerstone Valve makes its first appearance in the Oil & Gas industry delivering valves to topsides Gulf of Mexico clients, the immediately moved to begin its work on Subsea Ball Valves, earning API certifications.
Cornerstone enters the Petrochemical market with a splash, revealing Metal Seated Valves for High Temperature Polypropylene Service by introducing one-of-a-kind switching valves that endure 3.2 million cycles between refurbishments/replacements.
Cornerstone secures one of its first major revolving contracts with a future MSA forward purchasing agreement for spares and inventory cataloging for a deepwater platform in the Gulf of Mexico.
Cornerstone acquires EII Valve, a Houston based Valve manufacturer.
Cornerstone Valve develops in-house Cryogenic testing capabilities and launched Cryogenic product lines for LNG and other low temp applications.
Cornerstone implements response to COVID 19 market challenges: MSA Aftermarket Support Agreements and the North American Partnership & Distribution Enhancement Initiative, engaging a network of territorial expertise across an expanse of regions to support sales stabilization and growth.
Cornerstone realizes niche as ETO (Engineered to Order) manufacturer with baseline distributive product focusing on the Power Generation industry: Rolls out Gen 2 TE4 Series with major success.
Cornerstone enables its Asset Management division, now offering full customer support on a 34-year installed based to all customers by integrating modern databasing technology with classic, hands-on customer centric support to fulfill a broad range of field demands for legacy product.
Proudly American, Cornerstone Valve has been at the forefront of American Manufacturing for over 30 years.
Born as innovators, we spearheaded the early commercialization of custom engineered valves tailored for the most demanding service applications. Today, our reputation as a leading manufacturer of these specialized ball valves is unrivaled.
Every product we craft embodies the spirit of American ingenuity and quality. Our entire operation – from design to assembly – unfolds under one roof in the heart of Houston, Texas, the place we’ve proudly called home since 1990. Most of our suppliers hail from within the USA, many from Texas, ensuring a robust and responsive supply chain. This, in turn, guarantees our industry-leading turnaround times for made-to-order products and enables our 24×7 after-market support.
Our unwavering commitment to excellence is further underscored by our adherence to ISO 9001 quality management system standards since 1997, a testament to the high-quality craftsmanship you can expect from every Cornerstone Valve product.
When you choose Cornerstone Valve, you’re not just purchasing a valve; you’re buying into a legacy of American manufacturing excellence, supported by a tradition of innovation and a dedication to quality unmatched in the industry.
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