Some more references:

Immelt: GE Follows Halliburton, Ends New Business In Iran

General Electric (nyse: GE - news - people ) said Wednesday it will stop accepting new orders for business in Iran. The announcement comes just days after Halliburton (nyse: HAL - news - people ) said it will wind down its operations there.

http://news.bbc.co.uk/2/hi/business/4217703.stm

http://www.cbsnews.com/stories/2004/01/22/60minutes/main595214.shtml