A casino operator runs the site and lists games. A slot provider creates the...

https://www.cast-bookmarks.win/a-casino-operator-runs-the-site-manages-your-account-and-payments-and-decides

A casino operator runs the site and lists games. A slot provider creates the game. Provider names help you see who made a slot and compare titles across catalogues. Visuals and sound may vary, but they do not change the game rules.