Lockheed Martin Corporation / The DIRECTV Group / SES Americom Inc. / ATK Inc. / Northrop Grumman Corporation / SIA / Cobham SATCOM Land Systems / Kratos Defense & Security Solutions / Intelsat S.A. / Astrium Services Government Inc. / Artel LLC / EchoStar Corporation / AIS Engineering Inc. / The Boeing Company / Iridium Communications Inc. / Rockwell Collins Government Systems / Cisco / Comtech EF Data Corp. / /