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| ABC, Inc. |
Allbritton Broadcast Company |
Belo Broadcasting |
Bonten Media |
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| Capitol Broadcasting Company |
Clear Channel Communications, Inc. |
Conerstone Television |
COX Television |
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| Entravision Communication Corp. |
FOX Owned & Operated TV Stations |
Freedom Broadcasting |
Gray TV |
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| Hearst-argyle television inc |
Harris Corporation (Leitch, Inc.) |
ION Broadcasting |
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| Liberty Corporation Owned & Operated TV Stations |
LocalTV |
Mmeredith Broadcasting Corp |
MMVII, CBS Broadcasting Inc. |
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| NBC Universal, Inc. |
Northwest Broadcasting Company |
Pappas Telecasting Companies |
Pegasus Broadcasting |
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| Postnewsweek TV |
Public Broadcasting Service (PBS). |
Telemundo Broadcasting |
The E. W. Scripps Company |
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| Tribune Broadcasting |
Univision Owned & Operated TV Stations |
The National Aeronautics and Space Administration (NASA) |
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