A casino operator runs the site and manages player accounts. A slot provider...

https://telegra.ph/What-Does-It-Mean-When-a-Slot-Animation-Interferes-With-Information-11-05

A casino operator runs the site and manages player accounts. A slot provider creates the game. Provider names help you see who made a slot and find their other titles. Visuals and sound may differ, but they do not change the game rules.