Sixth Street Specialty Lending, Inc. (TSLX) functions as a specialized Business Development Company. It provides a wide array of financing solutions, including various forms of debt such as senior secured loans (encompassing first-lien, second-lien, and unitranche facilities), unsecured loans, and mezzanine debt. The firm also strategically allocates capital to corporate bonds, equity securities, structured products, non-control structured equity, and common equity, frequently engaging in co-investments.