Builder Hired for $120M El Dorado Nitric Acid Plant by Luke Jones Posted 11/18/2013 12:00 am LSB Industries Inc. of Oklahoma City has hired SAIC Constructors LLC to construct its $120 million nitric acid plant in El Dorado. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 15 days. Purchase Now Already have archive access? Login to view this article.