1. AT&T Inc.
2. Broadcom Inc.
3. Google LLC by Alphabet Inc.
4. Hewlett-Packard Enterprise Company
5. Huawei Technologies Co. Ltd.
6. Intel Corporation
7. International Business Machines Corporation
8. Juniper Networks Inc.
9. Microsoft Corporation
10. Oracle Corporation
11. Renesas Electronics Corporation
12. Rittal GmbH & Co. KG
13. Saguna Networks Ltd.
14. Schneider Electric SE
15. Siemens AG