The provision of chemical precursors from United States companies to Iraq was enabled by a Ronald Reagan administration policy that removed Iraq from the State Department's list of State Sponsors of Terrorism. Leaked portions of Iraq's "Full, Final and Complete" disclosure of the sources for its weapons programs shows that thiodiglycol, a substance needed to manufacture mustard gas, was among the chemical precursors provided to Iraq from US companies such as Alcolac International and Phillips. Both companies have since undergone reorganization and Phillips, once a subsidiary of Phillips Petroleum is now part of ConocoPhillips, an American oil and discount fossil fuel company, while Alcolac International has since dissolved and reformed as Alcolac Inc