Watcom International Corporation – acquired by Sybase
Consumer retail, including grocery
Aeropostale Canada – subsidiary of the United States-based retailer Aeropostale, closed all 41 stores in Canada in 2016
A&A Records – founded in Toronto at the end of WWII, it was the dominant record chain store in Canada until being superseded by Sam the Record Man in the 1960s; it became defunct in 1993
A&B Sound – home electronics retailer based in Richmond, BC; founded in 1959, it had expanded as far as Winnipeg, Manitoba by 2000, but its subsequent decline saw the company go bankrupt by 2008
Bata Shoes – shoe retailer and manufacturer
Beaver Lumber – hardware/lumber store chain; acquired by Home Hardware
Express – subsidiary of the United States-based clothing retailer Express, closed all 17 stores in Canada in 2017
Food City – grocery store chain
Granada TV Rental- electronic consumer goods retail rental outlets
Hard Rock Cafe -all Canadian Cafe locations closed by 2017 but Hard Rock Casino still exist in Coquitlam, BC, Vancouver, BC, and a new location is set to open in Ottawa in 2021 Hard Rock Cafe still has a location in Niagara Falls, Ontario in Canada.
HMV Canada – entertainment media chain owned by Hilco; originally a subsidiary of England-based retailer HMV; closed all stores in April 2017, the majority of locations became Sunrise Records
Kmart Canada – subsidiary of US chain, some assets acquired by Zellers
Knob Hill Farms – grocery store chain
Kresge (Canadian division) – discount store chain
Lumberland Building Materials (BC-based store founded in Surrey; it merged with Revy Home Centres in 1997,[2] which then was acquired by Rona in 2001)
LW Stores – discount store chain; acquired by Big Lots in 2010 and closed all stores in 2014
Marks & Spencer – major British retailer; had operated in Canada since 1973; closed all Canadian operations by 1999[3]
Miracle Mart – discount store owned by the Steinberg family
Pascal – bankrupt in 1991 (Hardware Stores) – 1994 (furniture stores) – 2008 (Pascal Hotel Supplies)
RadioShack Canada – renamed The Source by Circuit City in 2005
Revelstoke Home Centres Ltd. (aka Revy's or Revy Home Centres; owned by the West Fraser Timber Company, this was a major home improvement retailer headquartered in Revelstoke, BC; merged with Rona in 2001[4])
Sam The Record Man – record/entertainment media stores
Sam's Club Canada – warehouse store chain and the subsidiary of Walmart Canada; closed in 2009
Sears Canada – department store chain and the Canadian subsidiary of the American-based Sears, all stores closed in January 2018
Shoprite Catalogue order store, went bankrupt in 1970s.
Simpsons – department store chain (AKA Simpson's Sears and Sears Roebuck)
Toronto and Mimico Electric Railway and Light Company
Toronto and Scarboro' Electric Railway, Light and Power Company
Toronto and York Radial Railway
Toronto Suburban Railway
Telecommunications companies
Nortel – established in 1895; in 2000 accounted for more than a third of the total valuation of all the companies listed on the Toronto Stock Exchange (TSX)