CoMark Equity Alliance, LLC (CEA), is a grain merchandising company focused on providing proactive, relationship-driven grain risk management services to producers and industry partners.

Located in Enid, Oklahoma, CEA is one of the largest federally licensed grain companies in the United States and is comprised of twenty-four grain cooperatives with 145 locations that stretch from Southern Nebraska, through Kansas and Oklahoma, and into the Texas panhandle. These locations include three grain terminals, two of which are also shuttle loaders, and a 150-million-bushel storage capacity.