BlackRock TCP Capital Corp. is a business development company specializing in direct equity and debt investments in middle-market, small businesses, debt securities, senior secured loans, junior loans, originated loans, mezzanine, senior debt instruments, bonds, and secondary-market investments. It typically invests in communication services, public relations services, television, wireless telecommunication services, apparel, textile mills, restaurants, retailing, energy, oil and gas extraction, Patent owners and Lessors, Federal and Federally- Sponsored Credit agencies, insurance, hospital and healthcare centers, Biotechnology, engineering services, heavy electrical equipment, tax accounting, scientific and related consulting services, charter freight air transportation, Information technology consulting, application hosting services, software diagram and design, computer aided design, communication equipment, electronics manufacturing equipment, computer components, chemicals. It seeks to invest in the United States. The fund typically invests in debt between $10 million and $35 million in companies with enterprise values between $100 million and $1500 million including complex situations. It prefers to make equity investments in companies for an ownership stake.