• GTE

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  • Northrop Grumman

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  • USAA

  • US Bureau of Census

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  • Harcourt Publishers

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  • US WEST

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  • Smithsonian Institution

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  • Thomson Publishing

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  • ARCO/VASTAR

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  • Whirlpool

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  • Raytheon

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  • Philips
    • Electronics
  • Glaxo

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  • National Science Foundation

    •
  • Others

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