| Answer | Crossword Clue |
|---|---|
| ESSO | Oil company of old |
| SOHIO | Old oil company that was headquartered in Cleveland |
| ESSO | Company with the old mascot Little Oil Drop |
| MOBILHOME | Headquarters of an oil company? |
| TARBELL | "History of the Standard Oil Company" author |
| IDATARBELL | "The History of the Standard Oil Company" author |
| IDATARBELL | "The History of the Standard Oil Company" journalist |
