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 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.