Complex sentence: Toronto Star Newspapers Ltd. is a division of Torstar Corporation and publisher of the Toronto Star as well as runs Torstar Media Group Television, Torstar Syndication Services and jointly-owned workopolis.com job website.
Split into simpler sentences: Toronto Star Newspapers Ltd. is a division of Torstar Corporation. It runs Torstar Media Group which owns and operates the Toronto Star as well as runs Torstar Media Group Television, Torstar Syndication Services and jointly-owned workopolis.com job website.