CCS Corporation is a recognized industry leader providing integrated energy and environmentally responsible services to upstream and downstream oil and gas companies in Canada and the U.S. � � Headquartered in Calgary , Alberta , CCS was founded in 1984 by President and Chief Executive Officer , David Werklund and employs approximately 2,600 people . � � In 2007 , the company was taken private in a $ 3.5 billion buyout led by Mr. Werklund and a consortium of private investors . � � Included among the major investors are CAI Capital Partners , Goldman Sachs Capital Partners , Kelso & Company , Vestar Capital Partners , British Columbia Investment Management Corporation , Alberta Investment Management and O.S.S. Capital Management , L.P. Copyright 2010 PR Newswire .