Iran says there is no ban on American companies working in its oil industry. According to Iran's ILNA news agency, Oil Minister,Bijan Zanganeh has said American companies face no ban for entering its oil industry. This is the first such remark by Iran after an executive order by U.S. president Donald Trump on last Friday banned immigration and visa processing for Iranians alongside six other Muslim countries. <br/><br/>In January, Iran's Oil Ministry published list of 29 international companies qualified to bid for oil and gas projects following the lifting of sanctions under a landmark nuclear accord that went into effect last year.