Southwind Milling Co. to Build Rice Mill at Pine Bluff Port by Arkansas Business Staff Posted 6/2/2014 01:48 pm Updated 1 year ago Optimum Group says it will build a rice mill at 4215 Emmett Sanders Road at the Port of Pine Bluff. The plant, which will employ 25, will be running by February. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 20 days. Purchase Now Already have archive access? Login to view this article.