Bride.com is a rarity in it's own right. Not only is it a very well known .com name, but it also accepts free listings for companies that correlate with weddings.
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Bride.com has a wide variety of categories for business's to list their companies under. You can apply over at the Wedding Vendor Sign-Up section for your free listing. If you want more exposure than that, you have the option to upgrade your free listing to a premium (paid) listing. The bonus of getting the premium listing is you get to apply for three categories instead of just one, add extra info and your address to pinpoint your exact location (free listing will only tell you where you are located within a 50 mile radius), and you will be bumped up above the free listings for a greater chance of exposure. Be sure to check out the Local Wedding Vendors for the competition around you, as well. The more you are surrounded by, the more reason to have a premium listing.
Need more info before signing up? Check out the Bride.com FAQ.