HCA, the hospital operator with a massive debt load, is expected to price its IPO tonight (they’re offering 124 million shares at $27 to $30 each) and begin trading tomorrow. The $4.06 billion deal is expected to be the largest private equity backed offering EVER.

In honor of this colossal event, peHUB.com has a slideshow of the top 10 largest U.S. PE-backed IPOs. The data is supplied by Thomson Reuters.

No. 10: Dex Media

Carlyle and Welsh Carson acquired Dex Media in 2002 from Qwest Communications for $7.1 billion. Dex went public in 2004, raising roughly $1.01 billion). R.H. Donnelley ended up buying Dex Media for $4.2 billion a year later.