Hey Brandon, Check your yellow pages under Clowns. Note that this will be Clowns trying to make a little money, and some may just see you as competision. But most of the clowns I know are very friendly. Try
www.coai.org/ . This is "Clowns of America International", they have a good list of Clowns from all over. I you live in Oregon, Try "rosecityclowns.org" , I am the Master at Arms. Call me if you want. I am a "Charity Clown", ie. I do it for no money at charity event. I have twelve years in face and now help teach the beginner classes.
Good Luck, Jose "Charlie" S.