These businesses do mail order sales with major stamp manufacturers at a discount. (I cannot afford to maintain a list of all the mail order businesses in the US, and so I only include those with which I am familiar.)
In Joy Rubber Stamps
A Maryland mail order business and store
California Stampin'
Web Page: http://www.castampin.com
A mail order company with a great selection of catalogs to order from and products to choose from, all at 25% off. Orders are placed once a week.
eBay
A web-based auction, includes a page listing stamps and stamping accessories.
A Stamp In Time
(916)678-1372;
Email: AStmpNTime@AOL.COM
A monthly catalog for mail order purchases at reduced prices. Features a couple
different stamp companies each time. Lots of good supplies for good prices. Catalogs
from popular stamp companies, such as PSX and Rubber Stampede, are also available for
purchase and can then be ordered from.
Maryland Rubber Stamp Supply Stores
Virginia Rubber Stamp Supply Stores
Miscellaneous Rubber Stamp Supply Stores - includes Delaware, Pennsylvannia and other "local" stores.
For Links To Other Stamp Store Lists