This is the current list of members of OpenNTF in alphabetic order):

assono
Conxsys
Czarnowski
Developi Information Systems
Elguji Software, LLC
International Business Machines Corp.
LOTUS 911, Inc.
PAVONE AG
Prominic.NET
PSC Group, LLC
Sherpa Software
Snapps Consulting
Teamstudio, Inc.
The Turtle Partnership
VinceSchuurman.com