A casino operator runs the site and manages its catalogue. A slot provider...

https://www.pawn-bookmarks.win/a-casino-operator-runs-the-website-manages-player-accounts-and-payments-and

A casino operator runs the site and manages its catalogue. A slot provider makes the games. Provider names show who built a title and help you compare games across sites. Visuals and sound may vary, but they do not change the game rules.