JLL Partners is an American private equity firm focused on leveraged buyout transactions and leveraged recapitalizations of middle-market companies. The firm is headquartered in New York City and was founded in 1987. JLL invests in various industries including food and consumer products, automotive parts, health care, media and telecommunications, commodity and specialty chemicals, building products, transportation, and industrial manufacturing and distribution. The company tends to focus on companies requiring an operational turnaround.