Lufa Farms is a Montreal-based company that operates rooftop greenhouses to grow fresh produce for local consumers. The company was founded in 2009 and has since expanded to include three rooftop greenhouses in Montreal and one in Laval. Lufa Farms uses hydroponic technology to grow a wide variety of vegetables and herbs, which are then sold directly to consumers through an online marketplace. The company is committed to sustainable agriculture and reducing the environmental impact of food production. Lufa Farms has received numerous awards for its innovative business model and sustainable practices.