Online, you can search for Galco Holsters, several names will pop up. Http://www.midwayusa.com is one. Of course, I believe Galco's site will show up too and they have an order place, or links to sites that sell their stuff too.
http://www.usgalco.com/HolsterSearch.asp
http://www.usgalco.com/HolsterSearch.asp