1. aqua cloud GmbH
2. Countersoft Ltd.
3. Deviniti
4. H.S PractiTest
5. IBM Rational Quality Manager
6. Inflectra Corporation
7. Klaros-Testmanagement
8. Meliora Ltd.
9. Micro Focus Quality Centre
10. QMetry Inc.
11. ReQtest
12. Test Collab
13. Test Management Systems Ltd
14. Testuff Ltd.
15. Tricentis