If you get a local professional photographer to take your wedding pictures, odds are the proofs were developed here at Photoworks San Francisco. Amateur photographer can get film developed here as well. You can set up an online account.
Service is good and rates are reasonable for the profesional quality of work you are getting. This isn't like the one-hour photo place in your local supermarket.
It was voted Best Photo Developing by San Francisco Magazine and Best Place to Print Photos in SF Weekly.