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  • Associated Gen Contractors of Illinois
    Associated Gen Contractors of Illinois
    (217) 789-2650
    3219 Executive Park Dr, 62703  Springfield

    Call One was incorporated in April of 1992 and has been included on Crains Chicago list of the fastest growing companies in the Chicago area. The company has since grown to become one of the nation's largest providers of voice, data, internet services, phone systems and equipment. They are committe…