industrial estate ontario canada real estate eastern ontario INDUSTRIAL ESTATE The new centre will mean that Cornwall will be able to offer more and better services to its residents, said Mayor Sylvester. Direct investment in industrial estate, with a joint venture purchase of five Ontario shopping centres. The Board and Osmington Inc. have purchased the properties, totalling over 2.2 million square feet, for approximately $300 million. A Toronto based firm owned by Osmington Inc., will manage the property. Very excited about the addition of these great centres to our portfolio. The Cornwall Square was constructed in the downtown core in 1979, and features 252,502 square feet of retail space.