Cinven Group is definitely in. The European investment firm specializes in large buyout transactions of more than E100 million of companies in the business services, consumer, health care, industrial, financial services, technology, media, and telecommunications sectors. Founded in 1997, Cinven has completed more than two dozen transactions of E1 billion or more. It is investing its fourth fund, which attracted some E6.5 billion in committed capital from more than 150 long-term institutional investors such as corporate and public pension plans, funds of funds, banks, and insurance companies. Cinven has offices in London, Frankfurt, Hong Kong, Milan, and Paris.