Below you can find logos, similar to the Raytheon Six Sigma.

Ensigma Technologies 190 Ensigma Technologies 190 vector
Raytheon Raytheon  vector
Raytheon Intelligence and Information Systems Raytheon Intelligence and Information Systems vector
Sigma 123 Sigma 123 vector
Sixpack Sixpack vector
ENSIGMATECHNOLOGIES1 ENSIGMATECHNOLOGIES1 vector
Raytheon Missile Systems Raytheon Missile Systems vector
Six Flags Holland 215 Six Flags Holland 215 vector
Sigmatel Sigmatel vector
LG Sigma GX-1 LG Sigma GX-1 vector
Tom Clancy's Rainbow Six Raven Shield Tom Clancy's Rainbow Six Raven Shield vector
Six Flags Holland Six Flags Holland vector
Thales Raytheon Systems Thales Raytheon Systems vector
Raytheon Technical Services Company Raytheon Technical Services Company vector
sigma sigma vector