"Centel Corporation was an American telecommunications company, with primary interests in providing basic telephone service, cellular phone service and cable television service. ... Centel was purchased by Sprint in 1993..." -- https://en.wikipedia.org/wiki/Centel

Taken from Wiki Page: "Ottawa SuperEX (officially the Central Canada Exhibition) was an eleven-day annual exhibition that took place every August at Lansdowne Park in Ottawa, Ontario, Canada. The exhibition provided exhibits, entertainment and amusements indoors in the buildings on site and outdoors on the grounds. The Central Canada Exhibition Association operated a fair annually from 1888 until 2010, except during World War II.