In 1873-74, James Oag and Samuel Vance, doing business as Oag & Vance, were operating the Ontario Engine and Machine Works and were making steam engines. Between at least 1887 and 1892 Charles Smith & Co. were operating the Ontario Engine and Machine Works.
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| From 1892 Might's Toronto Directory |
Information Sources
- 1873 Hunter, Rose & Co.'s Toronto City Directory lists "Oag & Vance, (James Oag; Saml Vance,) engineers and machinist, 226 Adelaide w".
- The 1873 The Canadian Almanac has a text ad: "Oag & Vance, Manufacturers of Steam Engines, Shafting, Couplings and Hangers of all descriptions, Ontario Engine and Machine Works, Adelaide Street West, Toronto."
- 1874 Fisher & Taylor's Northern Railway Directory lists Oag & Vance, James Oag and Samuel Vance, machinists, Adelaide w, north side, between and John.
- R. L. Polk & Co.'s 1886 Toronto City Directory: "Chas. Smith & Co., Manufacturers of Engines, Pumps, Hydrants, Valves, and General Machinery. 98 Adelaide St. East, Toronto, James Martin.. Manager."
- 1892 Might's Toronto Directory has an ad for Charles Smith & Co.'s Ontario Engine and Machine Works.