Portman Ridge Finance Corporation is a business development company specializing in investments in unitranche loans (including last out), first lien loans, second lien loans, subordinated debt, equity co-investment, buyout in middle market companies.

Fidus Investment Corporation is a business development company. It specializing in leveraged buyouts, refinancings, change of ownership transactions, recapitalizations, strategic acquisitions, mezzanine, growth capital, business expansion, lower middle market investments, debt investments, subordinated and second lien loans, senior secured and unitranche debt, preferred equity, warrants, subordinated debt, senior subordinated notes, junior secured loans, and unitranche loans.

Diamond Hill Investment Group, Inc., through its subsidiary, Diamond Hill Capital Management, Inc., provides investment advisory and fund administration services in the United States.

Horizon Technology Finance Corporation is a business development company specializing in lending and and investing in development-stage investments. It focuses on making secured debt and venture lending investments to venture capital backed companies in the technology, life science, healthcare information and services, and cleantech industries.

Gladstone Capital Corporation is a business development company specializing in lower middle market, growth capital, add on acquisitions, change of control, buy & build strategies, debt refinancing, debt investments in senior term loans, revolving loans, secured first and second lien term loans, senior subordinated loans, unitranche loans, junior subordinated loans, and mezzanine loans and equity investments in the form of common stock, preferred stock, limited liability company interests, or warrants.

PennantPark Floating Rate Capital Ltd. is a business development company. It seeks to make secondary direct, debt, equity, and loan investments.

New Mountain Finance Corporation (Nasdaq: NMFC), a business development company is a private equity / buyouts and loan fund specializes in directly investing and lending to middle market companies in defensive growth industries.

BlackRock TCP Capital Corp. is a business development company specializing in direct equity and debt investments in middle-market, debt securities, senior secured loans, junior loans, originated loans, mezzanine, senior debt instruments, bonds, and secondary-market investments.

TCG BDC, Inc. is business development company specializing in first lien debt, senior secured loans, second lien senior secured loan unsecured debt, mezzanine debt and investments in equities.

Sixth Street Specialty Lending, Inc. (NYSE: TSLX) is a business development company. The fund provides senior secured loans (first-lien, second-lien, and unitranche), unsecured loans, mezzanine debt, and investments in corporate bonds and equity securities and structured products, non-control structured equity, and common equity with a focus on co-investments for organic growth, acquisitions, market or product expansion, restructuring initiatives, recapitalizations, and refinancing.

Golub Capital BDC, Inc. (GBDC) is a business development company and operates as an externally managed closed-end non-diversified management investment company.