Bain Capital

If you want to make a big deal out of it, chances are Bain Capital will get involved. The private equity and venture capital investor acquires and owns interests in companies in the business services, retail and consumer products, communications, health care, hospitality, and technology sectors. The firm has made private equity investments in more than 250 companies since its 1984 founding. Its diverse portfolio currently includes stakes in such well-known companies as American Standard, Burlington Coat Factory, Clear Channel Communications, Dunkin' Brands, SunGard Data Systems, Warner Music Group, The Weather Channel, and HD Supply, the former wholesale construction supply business of The Home Depot.