Ironwood Capital | Capital. Simplified. | Avon, CT, Ironwood Capital is a Connecticut-based private equity firm that provides non-control growth capital to middle market companies, investing more than $750 million in over 135 companies since 2001. Ironwood invests in the form of subordinated debt and preferred stock in amounts ranging from $5 million to $25 million to support business owners and financial sponsors in growth financings, full and partial recapitalizations, generational transitions and buyouts.