Sentinel Capital Partners has completed the sale of NSI Industries, a provider of branded electrical and HVAC components, to publicly traded Hubbell Incorporated for $3 billion in cash. The purchase price of $3 billion represents 15.5x NSI’s estimated 2026 adjusted EBITDA.
NSI offers more than 15,000 SKUs, including Polaris insulated connectors, Bridgeport brand conduit fittings, and TORK lighting controls such as timers, photocontrols, and occupancy sensors – products used primarily by electrical contractors across industrial, infrastructure, and commercial applications with particular exposure to digital infrastructure and electrification applications like power utilities and data centers.
NSI sells its products through a network of more than 2,000 third-party distributors and contractors across North America. NSI anticipates 2026 revenue of approximately $570 million. Founded in 1975, NSI is headquartered north of Charlotte in Huntersville, North Carolina, and is led by CEO Mike Pruss.
“I am grateful for Sentinel’s support and partnership throughout their investment,” said Mr. Pruss. “Their expertise and resources aligned perfectly with our vision for growth and innovation, and helped us build a stronger, more focused business that is well-positioned for future success.”
Sentinel acquired NSI from Odyssey Investment Partners in November 2024. Odyssey had acquired the company from Blue Sea Capital in March 2020 and completed nine add-on acquisitions during its ownership. Blue Sea, in turn, purchased NSI from Summit Park in 2016. Summit Park had acquired the business in 2012 and helped establish the foundation for its subsequent growth under private equity ownership. In October 2025, NSI divested its HVAC division — including the Duro Dyne ductwork and sheet metal products business and the Supco HVAC replacement components business — to Lennox International for $550 million, leaving NSI as a focused electrical products platform ahead of the Hubbell transaction.

“It’s been a privilege working with the NSI team,” said John Van Sickle, a partner at Sentinel. “Together, we executed a focused strategy that strengthened NSI and its market position. NSI has a bright future ahead, and we wish the entire team continued success with Hubbell.”
NSI benefits from exposure to electrification and digital infrastructure end markets, including power utilities and data centers. According to Deloitte‘s 2026 Power and Utilities Industry Outlook, U.S. peak electricity demand is projected to grow approximately 26% by 2035, and data center electricity consumption could reach 176 gigawatts by 2035 — a fivefold increase from 2024 levels — as artificial intelligence workloads and industrial electrification accelerate. That demand trajectory points to sustained replacement and upgrade spending on the electrical fittings, connectors, and controls NSI supplies.
Hubbell Incorporated (NYSE: HUBB) is a manufacturer and supplier of electrical and utility products. The company’s electrical segment provides wiring devices, lighting fixtures, and controls for residential, commercial, and industrial markets, while its utility segment supplies products and services to the power transmission and energy distribution industry. Hubbell, with FY 2025 revenues of $5.8 billion, was founded in 1888 and is headquartered near New Haven in Shelton, Connecticut.
New York City-based Sentinel Capital Partners invests in midmarket companies across business services, consumer, healthcare services, and industrial sectors in the United States and Canada. The firm targets equity investments of $10 million to $75 million in businesses with enterprise values between $25 million and $250 million and EBITDA of $7 million to $65 million. Since its founding in 1995, Sentinel has raised more than $11 billion of capital.
Lincoln International and Baird were the financial advisors to NSI and Sentinel on this transaction. Leading the Lincoln transaction team were Managing Directors Bobby Reifman and Sean Bennis.














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