Oklahoma City-LSB Industries Inc., the owner of El Dorado Chemical Co., reported a 212 percent increase in net income for the year ending Dec. 31, 2006. Net income was $15.9 million on sales of $491.9 million, up from 2005’s $5.1 million and $397.1 million, respectively. LSB said both its climate control and chemical businesses achieved significant gains in revenue and operating income. Improved chemical results were spearheaded by industrial sales, which helped overcome a serious drought during the 2006 growing season that affected the agriculture product sales. LSB fourth-quarter net income was also up, at $3.4 million on sales of $123.7 million, versus a year-ago loss of $45,000 on sales of $95.4 million. Chemical operating income was $10.2 million on net sales of $260.6 million for 2006, compared to 2005’s $7.7 million and $233.4 million, respectively. Fourth-quarter chemical income was $1.4 million on sales of $59.2 million, up from the year-ago $778,000 and $53.7 million.