James McMillan was a fur trader and explorer for the North West Company and Hudson's Bay Company. He led some of the earliest surveys of the lower Fraser River and founded Fort Langley for the HBC in 1827, and was its first Chief Trader.

The Hudson's Bay Company is a Canadian retail business group. A fur trading business for much of its existence, it became the largest and oldest corporation in Canada, and now owns and operates retail stores across the country. The company's namesake business division is Hudson's Bay, commonly referred to as The Bay.