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Aetna Health Care
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American Heart Association
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Animal Planet
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Anthem Blue Cross Blue Shield
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AOL
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BP
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Century 21
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Citibank
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Comcast
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Costco
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Court TV
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Cystic Fibrosis Foundation
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Deloitte & Touche
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Discovery Channel
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Discovery Health Channel
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Domino's Pizza
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Ford Motor Company
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Giant
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Girl Scouts of USA
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Goodwill Industries
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Hair Cuttery
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Harley Davidson
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Hugo Boss
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IKEA
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Infinity Broadcasting
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Intel
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Marriot Corporation
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MCI
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National Geographic Society
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National Highway Traffic Safety Administration (NHTSA)
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OSHA
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Price Waterhouse
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Road Runner
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Sam's Club
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Sears/Kenmore
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Sierra Club
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Smithsonian Institution
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The Home Depot
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Time Warner Cable
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TLC
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U.S. Army
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U.S. Patent & Trademark Office
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U.S. Postal Service
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United Way
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US Airways
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VeriSign
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WalMart
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WETA-TV, Channel 26 (Washington, DC)