Key Takeaways
- • Platinum Equity has acquired Warren Valve, a Houston-based provider of mission-critical flow control valves, from Allied Group; terms of the transaction were not disclosed.
- • Platinum Equity, a global investment firm with approximately $48 billion in assets under management, is positioning Warren Valve as a standalone business backed by its corporate carve-out and operational expertise.
- • Warren Valve's existing management team, led by President and CEO Mark Day, will continue to run the business, with Allied Group founder and CEO Marc Herzstein and Warren management investing alongside Platinum as minority shareholders.
- • Allied Group will use proceeds to sharpen its focus and strengthen its balance sheet as it keeps investing in its core pipe, fittings and flanges manufacturing and distribution businesses.
- • Platinum Equity cites energy infrastructure, power generation, LNG and data center and AI-driven power demand as growth drivers for Warren Valve.
Summary
Platinum Equity has acquired Warren Valve from Allied Group, according to a press release dated November 2, 2026, issued from Los Angeles and Houston. Warren Valve is a leading supplier of engineered and distributed valve products for energy, industrial, technology and infrastructure end markets across North America, with an established reputation for product quality, reliability, technical expertise and industry-leading lead times. Terms of the transaction were not disclosed.
Platinum Equity Co-President Jacob Kotzubei said the company is well positioned to benefit from continued investment in energy infrastructure, power generation and LNG, and noted potential upside from demand for power infrastructure tied to data center and artificial intelligence development. Platinum Equity Partner Matthew Louie cited Warren Valve's leading market positions, strong customer relationships, recurring revenue characteristics and a team that has consistently executed well. Platinum describes itself as having more than three decades of experience in corporate divestitures and has previously acquired businesses from Kohler, Emerson Electric, Caterpillar and Ingersoll Rand, among others.
Allied Group, a global master distributor and manufacturer of pipe, fittings and flanges, is retaining a minority stake alongside Platinum. Founder and CEO Marc Herzstein and Warren Valve's management team invested in the transaction and will be minority shareholders in the standalone business. Herzstein said Allied will remain a partner and customer of Warren. Allied CFO Lexington May said the sale sharpens Allied's focus and strengthens its balance sheet as it invests in its core manufacturing and distribution operations. Jefferies LLC acted as exclusive financial advisor to Allied, with Baker Botts L.L.P. as legal advisor.
Warren Valve's management, led by President and CEO Mark Day, will continue to lead the business. Day said the partnership is expected to support expansion across North America, investment in new products, and pursuit of strategic acquisitions. Fifth Third Bank served as financial advisor to Platinum Equity and joint lead arranger on the acquisition financing, with Gibson, Dunn & Crutcher LLP as legal advisor and Willkie Farr & Gallagher LLP as debt financing counsel to Platinum.
Platinum Equity Co-President Jacob Kotzubei said the company is well positioned to benefit from continued investment in energy infrastructure, power generation and LNG, and noted potential upside from demand for power infrastructure tied to data center and artificial intelligence development. Platinum Equity Partner Matthew Louie cited Warren Valve's leading market positions, strong customer relationships, recurring revenue characteristics and a team that has consistently executed well. Platinum describes itself as having more than three decades of experience in corporate divestitures and has previously acquired businesses from Kohler, Emerson Electric, Caterpillar and Ingersoll Rand, among others.
Allied Group, a global master distributor and manufacturer of pipe, fittings and flanges, is retaining a minority stake alongside Platinum. Founder and CEO Marc Herzstein and Warren Valve's management team invested in the transaction and will be minority shareholders in the standalone business. Herzstein said Allied will remain a partner and customer of Warren. Allied CFO Lexington May said the sale sharpens Allied's focus and strengthens its balance sheet as it invests in its core manufacturing and distribution operations. Jefferies LLC acted as exclusive financial advisor to Allied, with Baker Botts L.L.P. as legal advisor.
Warren Valve's management, led by President and CEO Mark Day, will continue to lead the business. Day said the partnership is expected to support expansion across North America, investment in new products, and pursuit of strategic acquisitions. Fifth Third Bank served as financial advisor to Platinum Equity and joint lead arranger on the acquisition financing, with Gibson, Dunn & Crutcher LLP as legal advisor and Willkie Farr & Gallagher LLP as debt financing counsel to Platinum.
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