https://365daysofmotoring.com/the-socony-mobil-oil-company-inc-changed-its-name-to-mobil-oil-corporation/
The Socony Mobil Oil Company Inc changed its name to Mobil Oil Corporation - 365 Days Of Motoring
May 18, 1966 - Wednesday 18th May 1966 The Socony Mobil Oil Company Inc changed its name to Mobil Oil Corporation.
mobil oil companysoconyincchangedname