Based from the Powerseller review for Link hidden: Login to view
You will need to register with them in order to have access to their wholesale prices. And they do require you to have a business license. The fastest way to set up an account is to talk to them over the phone.
I also found some positive reviews about them at Link hidden: Login to view
I googled them they are based in Chatsworth CA: 9347 Eton Avenue 9347 Eton Avenue Chatsworth, CA 91311, CA 91311
(818) 709-8222. I checked their BBB rating. They are a A+ and have 1 closed complaint case! I hope this helps.