Argonne Capital Group (Argonne) is a private investment firm based in Atlanta, Georgia. Established in 2003, the firm makes equity investments in a diverse range of middle-market enterprises. The firm invests in the restaurant, retail, manufacturing, distribution, real estate, healthcare, new energy, gaming and leisure, services, and facilities-based healthcare industry sectors. The firm specializes in middle-market leveraged buyouts, acquisitions, and platform and add-on acquisitions. The firm is managed by the executive management team.