A quick cautionary note: bear in mind that in many states, all someone has to do to legally perform a wedding ceremony is be a minister in an established church. In other states, they must be licensed by the Secretary of State to officiate at a wedding. Also, some states do not recognize online ordination certificates. This means if you're looking for clergy to perform your ceremony, you need to do your homework and check to see what your state's rules and requirements are. Don't be afraid to ask a potential officiant for references or for a copy of their licensure.
If you're Pagan or Wiccan clergy, and would like to be listed on this site as someone who performs weddings and handfastings, simply follow the directions on the listing page to submit your information. If you're located outside the US, and would like to be included, please let me know and I'll add a page for officiants in other countries.