Also, Take a look at some of the clients of Centrify,DUO & Trustwave from the court complaint document using SFOR patent

Celgene Corporation
Johnson & Johnson
Novartis Pharmaceuticals Corporation,
Sanofi-Aventis Corporation,
BB&T
BNP Paribas,
Citi
Credit Suisse (think etrade financial consultants etc)
Deutsche Bank
Geico
HSBC
MetLife,
Mizuho
New York Life,
Royal
Bank of Scotland
Société Générale
Standard Chartered Bank
SunTrust,
TD Ameritrade
Boeing,
Delta Airlines
General Dynamics
Hertz,
Land Rover
Northrop Grumman
Raytheon,
Toyota
Volkswagon
Best Western
CBS
Harte-Hanks
ICC Lowe
Maritz
Quad Graphics,
Ree
Bee (a subsidiary of Ericsson)
Walt Disney
Bose
Verizon Wireless
Microsoft,
Catalina Marketing Company,
DirecTV,
Fujitsu,
Rosetta Stone,
NOAA,
the US Army,
the US AirForce.

These are only few. Trustwave alone has 3m clients in 96 countries