I'm with http://www.ideastack.com/ I actually hate them now, they've been having crap uptime lately.
Well for my hosting I run everything on servers I either own that are colocated, or dedicated servers I lease. I run a company that uses the same servers to host, which you will find in my signature.
I have a high personal stake in keeping my servers online and in turn have had rock solid up time for my hosting company.
If you're looking for a solid host and not sure where to go, give nux.net a shot, I assure you wont be disappointed.
Submit Your Proxies @ NewProxySites.com
Oh, the host I am using is unlimitedmb.com . They are decent. The prices are low for what you get, and almost never bothers you, unless you find a way around the restrictions that they have on specific stuff you are allowed to use.
Right now I'm with Web Hosting Fox. I'm using their paid hosting.
I have paid accounts on...
Each serves a purpose, not much else to say really.
Just an update, add HawkHost to my list
Dreamhost and I think they are great despite what people have said :/