07-22-2011
06-08-2011
04-27-2011 Evonik Completes Acquisiton of Energy Systems Associates (ESA) Assets
01-01-2008 Steag LLC becomes EVONIK ENERGY SERVICES LLC
10-01-2007 Steag LLC Expands Services To Include Catalyst Regeneration
06-16-2006 Marilynn Martin Joins Steag LLC
03-07-2006 Steag LLC Appoints New President
02-22-2006 Steag LLC Opens Office in Charlotte