Mart Produce (The Mart Group, LLC) and ProSource Inc. have entered into a letter of intent that will propel the companies into a Joint Venture Agreement. The Mart Group LLC, comprised of four Idaho potato growers, will acquire a significant equity position in ProSource Inc., a year-round grower-based onion supplier. The new Joint Venture brings together the current ownership of The Mart Group LLC, ProSource Inc., and Golden West Produce LLC, to form a collaborative grower-based potato and onion marketing company, effective August 01, 2019. …