Trader Joe’s may seem like an easygoing, carefree brand, but the higher-ups at corporate treat its inner workings more like an intelligence agency than a grocery store. Case in point: even longtime Trader Joe’s employees have no idea who supplies some of the retailer’s most popular products. But nothing stays secret forever. Using Food and Drug Administration recalls, input from superfans, and expert research, we were able to determine some of the major brands behind Trader Joe’s most popular products. Our (top-secret) Trader Joe’s branding intel comes with the proviso that products change, so there’s no guarantee that these are still Trader Joe’s suppliers.