All Management Hotels
- Avatar Technology
- CMS Hospitality
- DigiSys s.a.r.l
- General Hotel Management
- Hotel Express
- Hoteliers International Corporation
- Innovative Hospitality Solutions
- InnQuest Software
- M/K Software
- National Guest Systems Corporation
- Newmarket Software Online
- Performance Technologies Ltd
- Resort Data Processing, Inc.
- Hotel Wales
- New Castle Hotels
- Pacifica Host Hotels
- Revenue Management
- Significant Software
- Software
- Southwest Hotel Management L.L.C.
- Springer-Miller Systems
- Sterling Hotels Corporation
- TimeShareWare
- Trilogy Business Systems
- Wolf Bay Group, The
- Swiss-Belhotel International