Most of the 3rd party OEMs that are found in kitchens originate from cab files. Not much of a point going the other way around if they already exist.
iContacts for example:
http://forum.xda-developers.com/show...9&postcount=10
There's a commercial cab manager. WinCE Cab by OPC Software ($99) that's pretty easy to use. You can also make cabs using makecab.exe that comes with Windows.
Another option..
http://forum.xda-developers.com/show...9&postcount=10