Turner Grain Officers No Longer Principals in Related Company by Mark Friedman Posted 8/22/2014 11:35 am Updated 4 years ago Two of the top officers at Turner Grain Merchandising Inc. of Brinkley are no longer listed as principals in a related company, according to the National Futures Association. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.