PricewaterhouseCoopers is one of the world's largest professional services firms. It is one of the big four auditors, alongside KPMG, Ernst & Young and Deloitte Touche Tohmatsu.

The company originated in 1998 after merger between Price Waterhouse and Coopers & Lybrand, both formed in London.

PricewaterhouseCoopers earned aggregated worldwide revenues of $25 billion for fiscal 2007, and employed over 146,000 people in 150 countries.

Image: Workers ceremoniously pretend to sort the final 76th Academy Awards ballots during the traditional photo op before they are mailed in Los Angeles, California.