Drop-ship suppliers will usually have their prices displayed on their website site, you can find links to supplier sites on the supplier's profile page in our directory.
You may find some drop-ship suppliers not displaying their prices up front when they have some sort of membership fee. Wholesale suppliers usually won't have prices displayed because wholesale is volume purchasing, so they can't really give you a price until they know what your purchasing requirements actually are.
So with wholesale, you need to discuss your purchasing with one of their account consultants directly.
Cheers