Tantalus Labs is a brand owned by Atlantic Cultivation, and previously was a Canadian Licensed Producer of cannabis. Originally based out of British Columbia and established in 2012 by Dan Sutton, Tantalus Labs cultivated in their cannabis greenhouse, SunLab which was the first purpose-built cannabis greenhouse in North America. In June 2023, Tantalus Labs announced it would cease operations and began laying off the majority of its employees.[1][2]