1. Alcatel–Lucent Sa
2. Apigee Corporation
3. At&T Inc
4. Bharti Airtel Limited
5. Cisco Systems Inc
6. Fortumo Ou
7. Huawei Technologies Co Ltd
8. Locationsmart
9. Nexmo Inc
10. Nokia Corporation
11. Orange Sa
12. Telef?nica Sa
13. Twilio Inc
14. Verizon Communications Inc
15. Vodafone Group Plc