The CapStreet Group
Venture Capital & Private EquityUnited States11-50 Employees
The CapStreet Group is a Houston, Texas-based investment firm operating in the United States' lower middle market. It pursues control-oriented equity investments, acquiring and building portfolio companies with strategic and operational support to help them scale. Evidence of its activity includes the January 2026 acquisition of TOPS Field Services, a company that provides inspection, overhaul, and maintenance for gas and steam turbines, LNG equipment, and generators. CapStreet targets U.S.-based lower-middle-market businesses and collaborates with their management teams to drive growth and improve operations. The recent TOPS Field Services deal illustrates its approach of expanding its portfolio through acquisitions in industrial services within energy infrastructure.