Longtime sponsor of 8-Down

This crossword clue is for the definition: Longtime sponsor of 8-Down.
it’s A 26 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Longtime sponsor of 8-Down crossword” or “Longtime sponsor of 8-Down crossword clue”. The possible answerss for Longtime sponsor of 8-Down are listed below.

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Possible Answers: STP.

Last seen on: NY Times Crossword 7 Feb 23, Tuesday