Central Illinois Publis Service Company
Central Illinois Public Service Company is an electric streetcar holding company and power utility first organized in 1902.  Streetcars, unlike cable cars, run on steel rails and are propelled by
   June 19, 1970
United Information Services
United Information Services is an organization that primarily operates in the Data Processing Service business/industry within the Business Services sector.  They selected Rotary Uninterruptible Power Supplies from Power Systems &
   January 1, 1970
PSC
In 1965, Power Systems & Controls Inc. (PS&C) was established by CAT and Virginia Tractor in response to a need by Caterpillar to build a series of machines that would
   April 1, 1965
Virginia Tractor
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   January 10, 1965