Historical clue formulations

• Crisco competitor — 2026-08-22
• Brand of vegetable oil — 2024-09-28
• Big name in oil — 2019-04-10
• Big name in oil — 2015-05-16
• Oil giant based in Memphis — 2014-09-14
• Oil name — 2012-05-15
• Gunsmith with Smith — 2012-03-02
• Big name in oil — 2009-08-20
• Big name in oil — 2007-07-04
• Smith's partner — 2001-01-17
• Big name in oil — 1998-04-04