In addition to consulting to the preceding clients in public matters, Criterion has provided confidential advice on regulatory and competitive strategy to major companies in the airline, computer software, consumer products, energy, and investment banking industries. Criterion principals also have consulted to the Antitrust Division of the U.S. Department of Justice and the Federal Trade Commission in confidential matters.

Criterion has also worked with the following law firms:

	Akin Gump Stauss Hauer & Feld, L.L.P.
	Brooks, Pierce, McLendon, Humphrey & Leonard
	Dickstein Shapiro Morin & O'Shinsky
	Kirkland & Ellis
	O'Melveny & Myers
	Paul, Weiss, Rifkind, Wharton & Garrison
	Simpson Thacher & Bartlett
	Weil Gotshal
	Wiley Rein & Fielding
	Williams & Connolly
	Womble, Carlyle, Sandridge, and Rice