The company has an office in Tehran, Iran. (Company website)
"Evonik, a chemical manufacturer that is also in the power generation business, has been operating in Iran since at least 2007." From 2000-2009, the company has been the recipient of $316,186 of US federal funds. Their activities in Iran are currently active. (The New York Times, "Profiting from Iran, and the US," 3/6/2010)
No response at this time.