1. Alphabet Inc.
2. Amazon.com Inc.
3. Apple Inc.
4. AssemblyAI Inc.
5. Baidu Inc.
6. GoVivace Inc.
7. International Business Machines Corporation
8. LumenVox
9. Microsoft Corporation
10. Pareteum Corporation
11. Raytheon BBN Technologies
12. Rev.com Inc.
13. Speechmatics
14. Uniphore Technologies Inc.
15. Verbit Inc.