Members of the Dakota Growers Pasta Co (DGP) have widely approved changing the grower- owned cooperative to a common stock corporation. The approval allows the conversion of cooperative shares to common stock that will be available for public trading. "DGP has evolved quickly during our first decade of existence, and this is one more important transitional change for us," said Chairman Jack Dalrymple: "Moving forward, we will work hard at developing a market for the original grower-members and potential new stockholders to trade their stock.