| 1st Class Cards | | Offers a selection of Christmas, birth announcement, and invitational cards. |
| Ad Lib Greetings | | Artwork categories include animals, portraiture, floral, landscape, still life, and handmade. |
| Annette Aiken | | Catalogs by season, birthdays, and all occasion. Includes artist biography. |
| Blessed Designs, Inc. | | Heart-shaped cards that fold into a mailer enclosing a fragrance sachet, a dessert coffee or photo. |
| Botanicarte | | Australian botanical and fauna themed designs. |
| Bow Wow Cards | | Offers a line of correspondence cards and gift cards, featuring rodeo, circus, animal and holiday themes. Features wholesale and retail. |
| Bumper Cards | | Greetings and custom cards for a variety of occasions. Includes list of upcoming holidays. |
| Card Medley.com | | Assorted cards. Catalogue includes friendship, birthdays, love, holidays, and blank designs. |
| Cardablanche | | Features large and small card designs, notecards, and post-its. |
| Cards.com.au | | Australian site featuring designs organized by occasion. Options include handwritten or types and indicating send date. |
| Cardstock Art | | Covering subjects such as work life, pets, women detectives, fly fishing and survival. |
| Cardthartic | | Shop by occasion or emotion. Includes submission guidelines and prayer service. |
| Carriage House Gifts | | Victorian fan greetings, certificates, advent calendars and Victorian paper products. |
| Charity Royalty | | View by occasion. Each card indicates amount that will go toward the participating charities. |
| City Castles | | Features illustrated note cards and Christmas designs. |
| ClaudiaM Publications | | Painting on the front and a philosophic statement on the back that connected to the design. Includes story behind the cards. |
| Click and Post | | Cards for a variety of occasions with optional message. |
| Clinton Cards | | Features product lines, a personal date reminder feature, on this day trivia and a store finder. |
|
|
