Energy companies have been pushing production to the max over the past 18 months so they can capitalize on rising oil prices. But, in most cases, they can't do it alone. RPC provides a range of oilfield services and equipment to major companies engaged in the exploration, production and development of oil and gas sites. Last year the company expanded its fleet of revenue-producing equipment which, along with a general increase in overall activity, helped to propel revenues 65%. Net income more than doubled in 2011 to almost $300 million. -- N.S.