I would like to find a website that has a catalogue for Jewish wedding
invitations. Specifically, I'm looking to
create a Jewish wedding invitations that has some Hebrew
script/lettering on the invitation. I have found a couple sites that
offer one or two invitations for Jews, but I need something more
extensive. I would like to find a company that either has an online
catalogue (preferable)or who can book an appointment to sit with me
(in Washington DC or even NYC) and show me books of Jewish wedding
invitations.

Maybe these include some you haven't yet come across?  I also
discovered that many printers can do traditional invitations of your
choosing with some/all Hebrew inscription.

Good luck and mazal tov!

http://www.elaineadler.com/
http://invitations123.com/NewFiles/wed%20invitations_web.html
http://www.dbandart.com/index.php?targ=ij_wed
http://www.irasperipheralvisions.com/jewish_wedding_invitations.htm
http://www.invitations123.com/WEDDING_INVITATIONS/wed_invitations_P1.html
http://www.colorsbydesign.com/store/CAT/JWwedding.shtml
http://artmuz.com/Wedding_Invit_MAIN_2.htm
http://wedding.invitations4less.com/html/invitationwizard.asp?InvitationID=150
http://www.einvite.com/select/category.asp?DeptID=Wedding&SearchGroupId=1.1.6&Cobrand=E7705&Site=eInvite
 (there are a few on this page which are apparently available from
www.mazaltovpages.com for a discount)
http://www.yourinvitationplace.com/Default.aspx?WebName=cohenprinting
http://www.indianweddingcard.com/weddingcards/weddingInvitations.asp
(these are really unusual)
http://ajp.com/searchresults.php?sh=weddings&ss=invitations
http://www.wedding-invitations-plus.com/golden_dove_wedding_invitations.html

Here's a place in NYC
529 77th St Brooklyn, NY 11209 Toll Free: 888-286-0365 Local:
718-836-4819 Fax: 800-305-6049
http://www.irasperipheralvisions.com/jewish_wedding_invitations.htm

In DC
http://e.webring.com/hub?ring=simcha_ring