Gack-Apps - Palm OS application development with a showcase of shareware applicationss. - http://www.gack-apps.com/
On Duty Technology - Specializes in creating Palm software for firefighters and other public safety personnel. Products include Hydro, a hydraulics calculator for firefighters and Shiftcal, a shift calendar for firefighters. - http://www.ondutytech.com/
DDH PalmPilot Software - Custom software for the Palm OS as well as Win95/98/NT from the creator of HanDBase, and Thesaurus. - http://www.ddhsoftware.com/
Stevens Creek Software - Custom Palm software development from the creators of PalmPrint and the winner of the 1999 programming contest at Palm Developer's Conference. - http://www.stevenscreek.com/pilot/custom.html
Green Mountain Software - A small "boutique" custom development shop specializing in vertical market applications for Palm Pilot, Windows CE and Newton platforms (and corresponding Windows 95/NT applications). - http://www.gmsw.com/
Land-J Technologies - Custom software solutions for the Palm OS from the makers of JFile, the award-winning Palm database application. - http://www.land-j.com/custom.html
Pen Computer Solutions - Designs, programs and integrates custom software applications for all Palm OS and Pocket PC PDAs. - http://www.pencomputersolutions.com/