I don’t think any major soda uses stevia.
My Publix has been selling "Zevia Zero Calorie Soda, Cola" for a while now.
But as for Major corporations:
Coca-Cola is using the stevia-derived sweetener Truvia in two of its Odwalla juice drinks and in the new Sprite Green. PepsiCo added its version of stevia to Sobe Lifewater drinks and has launched a new Tropicana orange juice, Trop50, containing 50 percent less sugar and calories.Apr 17, 2009This was from an NBC news article.