Peterson Partners raises $510M continuation fund for MEP provider Kelso

What's the deal? Peterson PartnersDealroom has a profile for this one. Try Dealroom → has closed $510 million for Peterson Kelso Coinvest, LP, a single-asset continuation vehicle for Kelso IndustriesDealroom has a profile for this one. Try Dealroom →, a national mechanical, electrical and plumbing (MEP) services provider. New York-based NorthSands CapitalDealroom has a profile for this one. Try Dealroom → was the sole lead investor, committing more than $450 million.

The details: The Salt Lake City private equity firm invests in lower middle-market businesses. Kelso was a portfolio company of Peterson's Fund VIII and Fund X; as part of the deal, Fund X rolled its position and made an additional investment.

What's the endgame? Proceeds will fund Kelso's growth through strategic acquisitions, investment in people and capabilities, and expansion into new markets. Founded in 2021, Kelso operates across more than 40 states with over 4,000 employees, serving data centers, healthcare, airports, and other mission-critical environments.

Why now? "We believe the Company remains in the early innings of a significant opportunity," said Spencer Clawson, partner at Peterson Partners. Co-founders Steve Carroll and Steve Nicholson said "the opportunity ahead remains substantial" as they build "the nation's preferred MEP solutions partner."

The signal: Continuation vehicles let firms hold onto strong assets longer while returning capital to earlier investors. NorthSands, which focuses solely on single-asset continuation vehicles, called Kelso "one of the most compelling platforms in the MEP services sector," a bet on rising demand from data centers and advanced manufacturing.

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