Sixth Street Specialty Lending, Inc. (NYSE: TSLX) is a business development company. It provides senior secured loans (first-lien, second-lien, and unitranche), unsecured loans, mezzanine debt, and investments in corporate bonds, equity securities, structured products, non-control structured equity, and common equity. The fund focuses on co-investments for organic growth, acquisitions, market or product expansion, restructuring initiatives, recapitalizations, growth capital, buyouts, and refinancing. It invests in business services, software and technology, healthcare, energy, consumer and retail, manufacturing, industrials, royalty-related businesses, education, and specialty finance. The fund seeks to finance and lend to middle market companies principally located in the United States, with enterprise values between $50 million and $1000 million or more and EBITDA between $10 million and $250 million. Debt transaction sizes range from $15 million to $350 million. The fund invests across the capital structure and can arrange syndicated transactions of up to $500 million and hold sizeable positions within its credits.