The I. G. Baker Company was a mercantile and grocery company based in Fort Benton, Montana started by I. G. Baker. The store was sold to Charles Conrad and his brother William. In 1891, the company was to its chief rival, the Hudson's Bay Company.

The company was very prominant in early Western Canadian history. They were the first store set up in Calgary, Alberta. There was also a stores in Fort MacLeod, Alberta, Lethbridge, Alberta, and Fort Walsh, Saskatchewan .

The I. G. Baker company brought a herd of cattle up from Montana to southern Alberta. They were the first in what is now a very significant industry for Alberta.