Below is a list of the member companies of the Business Software Alliance (aka B.S.A), taken from their website (http://www.bsa.org/country/BSA%20and%20Members/Our%20Members.aspx ).
The B.S.A is one of the main forces pushing for the new S.O.P.A. law which would effectively establish a totalitarian internet censorship system in the U.S.
Cadence Design Systems
CNC Software - Mastercam
Dassault Systèmes SolidWorks Corporation
Siemens PLM Software, Inc.