where can i find the best stock photos in southern California for my web design and graphic design jobs?

i need to design some websites for some big corporates around the US. i need the highest quality of photos for them. price is not an issue.
do u know any stock photography company in that level? i prefer a local comapny in Orange County California.
thanks!
J.S.

How do I get a list of Graphic Design Firms from Southern California?

I’m a Graphic Designer and would like to send off my portfolio to design agencies in the So. California for possible employment.