#9. KPMG LLP
Professional services giant KPMG International operates as an international network of independent member firms, which includes KPMG LLP, the U.S. member firm of the Swiss cooperative. While the member firms that make up KPMG International might be independent of one another, their businesses are similarly organized around three service lines: audit, tax and advisory. Today, KPMG’s advisory practice generates more than one-third of the company’s overall revenue in the U.S.