Building A Legacy Of Excellence
A family of companies, a future of possibilities.
Our Mission
At Dufrane, we are more than a group of companies—we are a strategic alliance of industry leaders specializing in construction, nuclear, manufacturing, oil & gas, and industrial services. With a shared commitment to excellence, innovation, and operational efficiency, our portfolio delivers complementary solutions that create lasting value for our clients and partners.
Explore the Dufrane Portfolio of Companies—where expertise meets opportunity.
Capstone Dufrane
We specialize in high-quality design, manufacturing and fabrication of critical components for global applications. With extensive experience on custom piping systems, process skids, pressure vessels, acoustic silencers and baffles, lined and unlined stacks and ductwork, as well as custom equipment, we bring innovation and precision to every project.
Guar Resources
We are the only USA-based manufacturer and supplier of guar gum powder that’s made from USA-grown guar beans and is USDA-certified organic, providing texture, thickening, emulsifying and stabilizing solutions to a vast array of global industries. Our Guar is Kosher, Halal, Non GMO and FSSC 22000 food safety certified and compliant with ISO 9001:2015.