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Deer Park in Toronto, Ontario — Central Canada (North America)
 

Imperial Oil Building

 
 
Imperial Oil Building Marker image. Click for full size.
Photographed by Tim Boyd, April 11, 2026
1. Imperial Oil Building Marker
Inscription. Designed by architectural firm Mathers & Haldenby, this building housed the executive headquarters of the multinational petroleum corporation Imperial Oil Limited from 1957 to 2005. It was among the first major office buildings on St. Clair Avenue at a time when Toronto's business centre was expanding north.

The Modernist-style, 19-storey tower is clad in pink granite and Indiana limestone. The building was noted for its numerous technological innovations, including an advanced heating and cooling system. At the time of construction, it was one of the largest welded steel-framed structures in the world.

Imperial Oil commissioned several works of art for the building, including The Story of Oil, two large abstract murals by Toronto-born artist York Wilson (1907-1984). After Imperial Oil moved in 2005, Camrost Felcorp Inc. converted the building, adapting it for residential and commercial uses, and retained the Wilson murals in the lobby.
 
Erected 2016 by Heritage Toronto.
 
Topics and series. This historical marker is listed in these topic lists: ArchitectureIndustry & Commerce. In addition, it is included in the Canada, Toronto Heritage series list. A significant historical year for this entry is 1957.
 
Location. 43° 41.211′ N, 79° 
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23.964′ W. Marker is in Toronto, Ontario. It is in Deer Park. It is on Saint Clair Avenue West 0.1 kilometers west of Yonge Street, on the left when traveling west. Touch for map. Marker is at or near this postal address: 113 St Clair Avenue W, Toronto ON M4V M4V, Canada. Touch for directions.

Regionally, this marker is in Greater Toronto and on the Golden Horseshoe. It is also in Central Canada. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once a British colony, the Viceroyalty of New France, the Haudenosaunee (Iroquois) Confederacy, and Rupert’s Land.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Glenn Gould (within shouting distance of this marker); Upper Canada College (approx. half a kilometer away); Mount Pleasant Cemetery / Cimetiθre Mount Pleasant (approx. 0.7 kilometers away); Yonge Station (approx. one kilometer away); William Lyon Mackenzie King (approx. 1.2 kilometers away); The Right Honourable William Lyon Mackenzie King / Le Trθs Honorable William Lyon Mackenzie King (approx. 1.3 kilometers away); The Resting Place of Pioneers (approx. 1.3 kilometers away); Kay Gardner Beltline Park (approx. 1.6 kilometers away). Touch for a list and map of all markers in Toronto.
 
Also see . . .  Imperial Oil (Wikipedia).
In April 1880, Jacob Lewis Englehart and 16 prominent oil refiners in London, Ontario, and Petrolia, Ontario, formed Imperial Oil in response to Standard Oil's growing dominance of the oil market. Englehart aimed to emulate John D. Rockefeller and merge the entire Canadian oil industry into one conglomerate. Although the majority of Ontario's top oil producers agreed to join in the enterprise,
Imperial Oil Building Marker image. Click for full size.
Photographed by Tim Boyd, April 11, 2026
2. Imperial Oil Building Marker
exceptions included John Henry Fairbank, who was then Canada's largest oil producer, and James Miller Williams, founder of the Canadian Oil Company. Englehart and the refiners established Imperial Oil as a joint-stock company with a capitalized value of $500,000.
(Submitted on April 14, 2026, by Tim Boyd of Hamilton, Ontario.) 
 
Imperial Oil Building marker photo and caption detail (left) image. Click for full size.
3. Imperial Oil Building marker photo and caption detail (left)
Imperial Oil Building marker photos and captions detail (right) image. Click for full size.
4. Imperial Oil Building marker photos and captions detail (right)
Former Imperial Oil Building in 2026 image. Click for full size.
Photographed by Tim Boyd, April 11, 2026
5. Former Imperial Oil Building in 2026
 
 
Credits. This page was last revised on April 14, 2026. It was originally submitted on April 14, 2026, by Tim Boyd of Hamilton, Ontario. This page has been viewed 11 times since then. Photos:   1, 2, 3, 4, 5. submitted on April 14, 2026, by Tim Boyd of Hamilton, Ontario. • Andrew Ruppenstein was the editor who published this page.
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Jun. 4, 2026