?- SAP SE?
- Proactis Holdings Plc?
- Epicor Software Corporation?
- Ginesys (Ginni Systems Limited)?
- Coupa Software Inc.?
- Zycus Inc.?
- GT Nexus (Infor Inc.)?
- Ivalua Inc.?
- Microsoft Corporation?
- Oracle Corporation?
- Basware AS?
- Mercateo AG?
- GEP Corporation?
- Jaggaer Inc.?