Set Editions

Website: SetEditions.com
Location: Brooklyn, NY
Services: Pre-Made
Average Price: $16 for set of 8 cards
E-commerce: Yes

Sesame Letterpress

Website: SesameLetterpress.com
Location: Brooklyn, NY
Services: Custom and Pre-made
Average Price: $12 for set of 8 coasters, $3.50 per card
E-commerce: No
Extras: Sesame Letterpress also sells coasters and limited edition prints

Paper + Cup

Website: PaperCupDesign.com
Location: Brooklyn, NY
Services: Custom and Pre-Made (they sell journals, ornaments and wooden utensils as well)
Average Price: $4.50 for single cards and $20 for a set of 10 cards
E-commerce: Yes

Peter Kruty Editions

Website: PeterKrutyEditions.com
Location: Brooklyn, NY
Services: Custom
Average Price: "We
have no minimum quantities for custom orders. A four-piece wedding invitation set tends to start around $750 for 100 sets, depending upon design & paper choices. We'll print your designs or create a design for you."
E-commerce: No

Moontree Letterpress

Website: MoontreeLetterpress.com
Location: Brooklyn, New York
Services: Custom and Pre-made
Average Prices: $15 for set of 6 cards
-100 sets of wedding invitations (which includes 2-color invitation and rsvp card plus return address on matching envelopes) cost approximately $900.
E-commerce: Yes- via MoonTree @ Etsy