The Sterling Group (Foundation Fund)
The Firm
The Sterling Group is a Houston industrial private equity firm founded in 1982, with roughly $9 billion under management and a stated record that nearly eighty percent of its past partnerships were with family businesses and corporate carve-outs. The Foundation Fund is its lower-middle-market strategy, built to point the same operational machinery at much smaller industrial companies, in its own words to set the foundation for growth.
The Foundation Fund's portfolio reads like a searcher's target list: tire and auto service, composting, landscaping, overhead garage doors, glass services, municipal water infrastructure. That is precisely why it belongs in this registry: it brings a forty-year firm's operating resources to businesses an individual buyer would otherwise compete for on even footing.
Anyone meeting Sterling should know the operational identity, the firm leads with operations rather than financial engineering, the 1982 Houston lineage, and the two-strategy structure, because the Foundation Fund deliberately borrows credibility and method from the flagship. For a searcher, its presence in a trade is a signal the trade has institutional attention one size class above you.
Read again in September 2026: the landscaping platform's fifth add-on, an Austin company, is the last thing announced for it, and it has no news page of its own. The fund's purchases since are a Houston water infrastructure company and three garage door add-ons for its overhead door platform, which counts six since July 2024.
What It Buys
Houston, Texas. A large industrial firm's small-company fund. Worth watching because it brings big-firm capital to businesses a searcher would consider.
The Sterling Group (Foundation Fund) ↗
Selling to them one day, or watching them as the other bidder? Track them in the Contact Book so the relationship has a next-touch date.
Confirmed Deals
4 deals traced to announcements by The Sterling Group (Foundation Fund), 2024 to 2026, newest first. Firms that announce every deal show a fuller run here than firms that report acquisitions as quarterly counts, so read this as the evidence that clears the bar rather than as the firm's whole record.
- Madisonville, Hall's and Compaan garage door companies (into OGD) · September 9, 2026
Three add-ons of the Overhead Garage Door platform in one release, bought in June and August 2026; not landscaping.
- The Scruggs Companies · April 24, 2026
A Houston municipal water and wastewater products and repair company, a new platform bought from Rox Capital; not landscaping.
- Russell Landscape Group · November 10, 2025
Commercial landscaping platform; its fifth add-on took it into Texas.
- OGD Overhead Garage Door · July 8, 2024
A Fort Worth overhead door and dock repair and installation company, the fund's fourth platform; not landscaping.