| Clue | Source | Date |
|---|---|---|
| Oil companies | Eugene Sheffer | 20 Feb 2025 |
| Oil and sugar companies, at times | Universal | 26 Sep 2017 |
| Domino, Alcoa, etc | Newsday | 03 Jun 2017 |
| Oil and sugar companies, at times | ||
| Employees in the sugar industry | ||
| Oil companies | ||
| Employees in the sugar industry | ||
| Some oil companies | ||
| Oil or sugar men. | ||
| Processors of oil. |