Like Clark Kent, this firm holds some super powers. Clark Enterprises, Inc. (CEI) is a private investment firm with diverse investments in real estate, financial markets, and venture capital. Its subsidiary, CEI Realty is responsible for real estate acquisitions, dispositions, financings, repositionings, developments and overall portfolio advisory. Another CEI subsidiary, Investment Management Group manages the firm's marketable investment portfolios which support various interests under the Clark Enterprises umbrella. Private equity and venture capital arm CNF Investments manages $300 million in capital and invests in the technology and healthcare sector. Founded in 1972, Chairman and CEO James Clark still owns CEI.