- Fujitsu Ltd
- Ciena Corporatio
- NTT Communications
- Cable & Wireless Communications PLC
- NEC Corporation
- Nokia Corp. (Alcatel-Lucent SA)
- Bezeq International
- SubCom
LLC
- Bharti Airtel Limited
- Tata Communications Ltd
- Xtera Communications Ltd
- Infinera Corporation
- Kokusai Cable Ship Co. Ltd
- Huawei Marine Networks Co. Limited
- Global Cloud Xchange
- Pacnet Limited (Telstra)