cvr energy, inc. is a diversified holding company primarily engaged in the petroleum refining and nitrogen fertilizer manufacturing industries through its holdings in two limited partnerships, cvr refining, lp and cvr partners, lp, which own and operate facilities in the midcontinent. cvr energy, through its subsidiaries, serves as the general partner and owns a majority interest in cvr refining and cvr partners. headquartered in sugar land, texas, cvr energy is driven by strong operating performance, a commitment to safe, reliable and environmentally responsible operations and products, and a continued focus on building value for stockholders. the cvr energy portfolio of companies employs approximately 1,200 people and generated $8.6 billion in net sales revenue in 2012. the company’s common stock is listed on the nyse under the symbol "cvi." in 2013, cvr energy was ranked no. 2 on the 2013 houston chronicle top 100 public companies list, an annual ranking of the city’s top publ