As you have asked about the institutes offering MBA program in Sudbury and Ontario, I am mentioning them, check below for the details
Laurentian University Faculty of Commerce and Administration – Sudbury offers MBA program in Sudbury.

MBA programs in Ontario:

College of Management and Economics (University of Guelph) - Guelph
DeGroote School of Business (McMaster University) - Hamilton
Department of Management (University of Toronto at Scarborough) - Toronto
George Brown College - Centre for Business - Toronto
Goodman School of Business (Brock University) - St. Catharines
The Business School (Humber College) - Toronto
Lakehead University Faculty of Business Administration - Thunder Bay
Laurier School of Business & Economics (Wilfrid Laurier University) - Waterloo
Lawrence Kinlin School of Business (Fanshawe College) - London
London School of Business and Finance Canada - Toronto
Niagara School of Business and Management (Niagara College) Niagara-on-the-Lake
Odette School of Business (University of Windsor) - Windsor
Queen's School of Business (Queen's University) - Kingston
Redeemer School of Business (Redeemer University College) - Hamilton
Richard Ivey School of Business (University of Western Ontario) - London
Rotman School of Management (University of Toronto) - Toronto
School of Business & Economics (Nipissing University) - North Bay
Schulich School of Business (York University) - Toronto
Sprott School of Business (Carleton University) - Ottawa
Ted Rogers School of Management (Ryerson University) - Toronto
Telfer School of Management (University of Ottawa) - Ottawa
University of Ontario Institute of Technology - Oshawa
School of Accounting and Finance (SAF) (University of Waterloo - Waterloo)