This article examines the history of, and legal precedent set by, Four B Manufacturing v. United Garment Workers of America, a 1980 Supreme Court of Canada case involving an Indigenous-owned manufacturing firm that resisted the efforts of its Indigenous and non-Indigenous workers to form a union on the Tyendinaga Mohawk Territory, a reserve in southeastern Ontario. The employer, Four B, contested the jurisdiction of the Ontario Labour Relations Board and argued, unsuccessfully, that as an “Indian enterprise,” its own operations were a matter of federal jurisdiction. We return to the case of Four B for three interrelated reasons. First, we argue that Four B remains relevant because of the ways that the political economy of settler-colonial C...