There might be more, but the only ones I know of that are non-military commercial use are
C, Ku, Ka, S, and X band. I remember reading something about L-band a long time ago for commercial use, but I think it is only military and GPS applications.
I don't know who is using what worldwide for satellite video transmissions, but if you are interested here is the break down in all the microwave frequencies in a short little summary page Microwave - Wikipedia, the free encyclopedia