Founded in 2001, Brookside Mezzanine Partners is a private equity firm based in Stamford, Connecticut. The firm is a subsidiary of The Brookside Group. The firm specializes in investments in equity, leveraged buyouts, growth capital, Strategic acquisitions, recapitalizations, and subordinated debts. The firm invests in small and mid-sized companies based in the United States operating in the manufacturing, business services, distribution, consumer products, retail and healthcare sectors.