MSC Income Fund, Inc. is an externally managed, non-diversified closed-end management investment company that has elected to be treated as a business development company (BDC). The company's principal investment objective is to maximize its portfolio's total return by generating current income from debt investments and capital appreciation from equity and equity-related investments. MSC Income Fund primarily targets lower middle market companies with annual revenues between $10 million and $150 million, providing customized 'one-stop' financing solutions that include a combination of first lien debt and equity financing. Additionally, the fund invests in private loans of middle market companies, which generally have annual revenues between $25 million and $500 million. The fund's debt investments are predominantly first lien, floating-rate loans. MSC Income Fund is externally managed by MSC Adviser I, LLC, a wholly-owned subsidiary of Main Street Capital Corporation (NYSE: MAIN), which provides access to Main Street's extensive origination platform and investment expertise. The fund operates exclusively within the United States and generates revenue primarily through interest income on its debt investments, dividend income from equity holdings, and fee income from its financing activities.