BlackRock TCP Capital Corp. is a business development company that focuses on direct equity and debt investments. It invests in middle-market and small businesses, as well as debt securities, senior secured loans, junior loans, originated loans, mezzanine, senior debt instruments, bonds, and secondary-market investments. The company targets sectors such as communication services, public relations, television, wireless telecommunications, apparel, textile mills, restaurants, retailing, energy, oil and gas extraction, patent owners and lessors, federal and federally sponsored credit agencies, insurance, hospitals and healthcare centers, biotechnology, engineering services, heavy electrical equipment, tax accounting, scientific and related consulting services, charter freight air transportation, IT consulting, application hosting, software design, computer-aided design, communication equipment, electronics manufacturing equipment, computer components, and chemicals. It seeks investments in the United States, typically investing between $10 million and $35 million in debt of companies with enterprise values between $100 million and $1.5 billion, including complex situations, and prefers equity investments for ownership stakes.