Canadian companies established in 1974

Apotex Inc. is a Canadian pharmaceutical corporation. Founded in 1974 by Barry Sherman, the company is the largest producer of generic drugs in Canada, with annual sales exceeding . By 2023, Apotex employed close to 8,000 people as Canada's largest drug manufacturer, with over 300 products selling in over 115 countries. Apotex manufactures and distributes generic medications for a range of diseases and health conditions that include cancer, diabetes, high cholesterol, glaucoma, infections and blood pressure.

CinéGroupe Corporation (or simply CinéGroupe and formerly known as Ciné-Groupe, stylized in all caps) is a Canadian animation studio and production company based in Montreal, Quebec. The company was founded in 1974. Its shows and films have been seen in over 125 countries.

Diemaco was a Canadian defence company based in Kitchener, Ontario, that manufactured the C7 family of rifles under a licence from Colt.