If your private company has a lot of growth potential but is getting a little long in the tooth, TA Associates won't discriminate. Managing some $5 billion raised from university endowments, municipal and corporate pension funds, and foreign investors, the venture capital firm primarily targets later-stage companies, funding growth, acquisitions, share repurchases, or leveraged buyouts. The company invests between $25 million and $300 million in business, financial, and health care services and such technology sectors as software, Internet infrastructure, and semiconductors. TA Associates has invested in more than 300 companies since its founding in 1968, including Federal Express and Jenny Craig.