Sossner Steel Stamps
Specializing in steel stamps, roll marking dies, numbering heads, type, embossing stamps, and hand stamps. Supplier of automated indent stamping machines.
http://www.sossnerstamps.com

New Method Steel Stamps Inc
New
http://www.newmethod.com/

Herben Numbering Systems
Numbering equipment for letterpress, rotary offset printing presses, free standing numbering and finishing machines including perforating or pin perf numbering, slit, scoring and perforating machines and accessories. Trade consultants.
http://www.herben.com.au/

Mercury Marking Devices
Produces dot peen marking machines and presses. Includes detailed product specifications, equipment prices, steel type, needle and stylus stamps, dies and numbering heads.
http://www.mercurymarking.com

Juneau Rubber Stamp Co.
Makes rubber stamps, artistic stamps and self-inking stamps. We also carry Alaska design stamps too!
http://www.jrsco-mistymtn.com

Des Moines Stamp Manufacturing Company
Des Moines Stamp produces a wide variety of inspection stamps primarily for manufacturing applications and custom made pre-inked stamps for offices. Heavy duty stamps and daters for al applications.
http://www.dmstamp.com/

PageStamp
The PageStamp 5760, the fastest document numbering specialty printer on the market, eliminates the hassles and costs associated with manual labeling and ink stamp numbering. Gain control over large volume document numbering once and for all, increasing your accuracy, confidence and productivity.
http://www.pagestamp.com

Physicists on Stamps
Scanned images of stamps from around the world. Donated scans are welcome.
http://www.th.physik.uni-frankfurt.de/~jr/physstamps.html

Textile Postage Stamps
A virtual gallery of stamps with a textiles theme..
http://www.allfiberarts.com/library/aa00/aa100200.htm

Caratex Stamps
Collection of stamps with the textile industry as their subject, linked to articles about fibers, textiles and tapestry. Stamp galleries.
http://www.caratexstamps.com/