Knowledge = Power
====== The Big Eight (Accounting firms) ======
Once known as the "Big Eight", was reduced to the "Big Six" and then the "Big Five" by a series of mergers. The Big Five became the Big Four after the fall of Arthur Andersen in 2002, following its involvement in the Enron scandal.
**Rank by revenue as of March, 1985:**
- Arthur Andersen
- Peat, Marwick, Mitchell & Co.
- Ernst & Whinney
- Coopers & Lybrand
- Price Waterhouse
- Arthur Young & Co.
- Deloitte, Haskins & Sells
- Touche Ross
Other large professional services networks include BDO, RSM, Grant Thornton, Crowe Horwath, HLB and Clifton Larson Allen.