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- 1-TO-ALL CO., LTD.
- 1WAN
- 1World Technologies Pte. Ltd
- 263 Global Communications Limited
- 42com Telecommunication GmbH
- 4Carriers Global
- 8x8 International Pte. Ltd.
- AB Handshake Corporation
- Accrete Inc.
- ACESTAR TELECOMS HONG KONG LTD.
- ACW Distribution Phils Inc.
- Action Labs IT Services Phils Corp
- ADN International Gateway Limited
- Aestron
- Agora Communications Pte Ltd
- Airtel Business
- Airudder PTE LTD
- Alaris Labs Pte Ltd
- Alcatel Lucent Enterprise
- Alfacall Limited
- Amazon
- Amdocs
- Apelby Communications
- Arcadia Link LLC
- Argo Integration Pte Ltd
- Asia Sunrise Telecom Limited
- AVOXI Inc.
- Bankai Group
- Bangladesh Telecommunication Company Ltd
- BBIX, Inc.
- Bee Information Technology PH Inc.
- BG Tel Ltd.
- Bharti Airtel Limited, Singapore
- BICS Asia Pte Ltd.
- Bladegrass Technologies
- Brilliant Telecom
- BRU-HAAS SDN. BHD.
- BSG Hong Kong Limited
- Burst SMS
- Buzzingga Technology Inc.
- ByteDance
- BytePlus
- Call Center Studio, Inc.
- CANALIZA IT
- Capital City Services
- CATALEYA PTE LTD
- CBRE Pte Ltd
- Cellulax Software Services Pte Ltd
- China Mobile International
- China Skyline Telecom Co. Ltd.
- China Telecom Global Limited
- China Unicom (Hong Kong) Limited
- Cine Cebu Internet
- CITIC Telecom
- Cloud Telecommunications (S) PTE. LTD
- Cloud Your Network Solutions Inc
- cloudcom incorporated
- CM.COM Netherlands B.V.
- Cogent Communications
- Comarnet Sdn Bhd
- Comms Group
- CommPeak Limited
- Communigate Technologies Inc
- CommVerge Solutions Philippines Inc
- Confiar Technology Limited
- Console Connect | PCCW Global
- Converge ICT Solutions, Inc.
- Conversant Solutions Pte Ltd
- CYN Solutions, Inc.
- C Wallet Services
- C3ntro Telecom
- Deutsche Telekom
- DIAL TEL PTE. LTD.
- DID Logic
- DIDWW
- Digital Edge Philippines
- DIGITAL TALK SOLUTION
- Dime Global LTD
- Direct Telco
- e&
- Eastern Communications
- EdgeConneX
- EdgePoint Towers, Inc.
- Effebot Limited
- ePLDT
- Epsilon Telecommunications
- Equinix
- Etisalat Asia
- Evoicebd Limited
- EXOT PTE LTD
- Exponentia Global
- Fibercom Telecom Phils. Inc.
- Fiberhome
- Fil Products
- First Sunrise Group, Inc.
- Flow Digital Management (Philippines) Inc.
- Frisson (Hong Kong) Information Technology Co., Ltd.
- FSM Telecommunications Corp.
- GAPIT COMMUNICATIONS
- GLOBAL VOIP CORP
- Global Telivoz Limited
- Globe Teleservices PTE
- Go Mobit
- Google
- GRACE ONE Networks Pte Ltd
- GREEN PACKET GLOBAL PTE LTD
- Greenlife Inc
- Grifinum
- GUR LAVI CORP.
- GVM Limited
- HAUD Systems
- HGC Global Communications
- HID Global
- HKBN Enterprise Solutions
- HUAKE Information CO., Limited
- Hubglobe Services Limited
- Hutchison Telecom Hong Kong
- iBASIS Inc
- Icon Global Services Limited
- IDENTIDAD TECHNOLOGIES
- IDT Global
- iNet Global Services Limited
- Infinivan Inc.
- Infobip
- InfoCom GmbH
- INFO-Telecom ICS
- Innovocom Limited
- Inter.link GmbH
- IPS INC.
- IPv4Superhub
- IX Telecom Sdn Bhd
- JasTel Network Company Limited
- Jiaxing Optimal IT Co., Ltd
- JONES LANG LASALLE PHILIPPINES
- JT Global
- Kaleyra
- KDDI/Telehouse
- KOL TELECOM SERVICES LLC
- Ks Link Telecommunication Limited
- KT Corporation
- LANCK Telecom
- LARUS Limited
- LAYER 3 GLOBAL
- LG Uplus Inc.
- LINK Mobility Group
- LitUp Network
- LR Telecom Ltd
- Lumen Techonologies
- M360 Inc
- MACROKIOSK Philippines, Inc.
- MADA
- MAXIS BERHAD
- Megaport
- Megatel Netcom Corporation
- MEC NETWORKS CORPORATION
- Messagingnow Mobile Limited
- Micro Cloud Technology Pte Ltd
- Microtalk Europe Ltd
- Mitto AG
- MOBIK d.o.o.
- Mobifone
- Mobitel (PVT) LTD
- Mueller and Newman Plc
- My Country Mobile
- Mybusybee Inc
- N2N TELECOM & COM CO., LTD.
- Namtelecom
- NATIONAL TELECOM PLC
- Nepal Telecom
- Neterra Telecommunications
- NetNam Corporation
- netnumber Global Data Services
- New Phoenix Limited
- Nexusguard
- NOBEL TECHNOLOGIES, LLC
- Nokia
- NOKIA SOLUTIONS AND NETWORKS PHILS., INC.
- Nomadtel
- Novatel d.o.o.
- NovoTel Limited
- NTT Communications
- NTT Ltd.
- NXCLOUD
- Optic Marine
- Orange
- OMS Group
- OM Telentia Networks Pte Ltd
- Pacific Telecommunications Council
- Packetworx Inc.
- Pai Telecommunications Ltd
- Pakistan Telecommunication Company Limited
- Paragon Digicom
- Philippine Global Communications Inc.
- Philippines Fiber Optic Cable Network Ltd., Inc.
- PLDT
- PLDT Enterprise
- PLDT Global
- Premiumy (Tapquila LLC)
- Primetel PLC
- Progressive Telecom LLC
- Promotexter
- PROVOIP TELECOM PVT LTD
- PT Cakra Alpha Spektrum
- PT&T
- Purple Numbers
- Purple Stone Telecom Limited
- Radius Telecoms Inc
- Riptec Ltd
- Renaissance Telecommunications (HK) Limited
- RISE
- RT Communications Corp
- Ruckus Networks, CommScope
- S and BTS Global
- Saif Telecommunications
- Scaffnet Pte Ltd
- SG.GS PTE LTD
- Shansi Communications Pte Ltd
- Sheng Li Telecom International Limited
- SIFY TECHNOLOGIES LTD.
- Sinch Singapore Pte. Ltd
- Singtel
- Singtel Phils. Inc.
- Siposip Communication LLC
- SK Broadband
- SK Telecomp
- SK Telink Corp
- Smart Communications
- SoftBank
- SoftBay
- Songbird Telecom Ltd
- Soprano Design
- Source Telecommunications, Inc.
- Sparklestar International Corporation
- Sprint Marketing and Technology
- STAR GLOBAL SOLUTIONS
- Star Solutions
- Stellar Elements
- STREAMTECH
- ST Telemedia Global Data Centres (Philippines)
- Symbio
- SYMPHONY COMMUNICATION PUBLIC CO., LTD.
- Syniverse Technologies
- Tapvox Limited
- Tata Communications
- Tecknovate Solutions Co. Ltd
- Telavox
- TelcoBridges Inc.
- Telebiz International
- Teleclub LLC
- Telecommunications Connectivity Inc.
- Telekom Malaysia (Australia) Pty Ltd
- Telenor Linx
- Telehouse (Thailand) LTD.
- Telesign
- Telikom Limited
- Telin
- Telivoz
- Telkart LLC
- Telnovo Communications Inc
- Telstra
- TelQ Global Pte Limited
- TEL25 CORPORATION
- Tencent
- TI SPARKLE SINGAPORE PTE LTD
- TIGER LEAP TECHNOLOGY GROUP CO.,LIMITED
- Time DOTCOM SDN BHD
- TM Global
- TM Technology Services
- TMT Analysis
- TOKAI Communications Corporation
- Toku Pte Ltd
- TOMIA
- Total Information Management Corporation
- Transtalkie Limited
- TruSense, a Route Mobile Company
- TVoice Telecom Pte. Ltd
- UIH
- U Mobile
- Unified National Networks
- Unified National Networks Sdn Bhd
- Universe Action Limited
- Vasudev Global Pte Ltd.
- Vaya Communications Dmcc
- Verizon
- VERTIV PHILIPPINES INC.
- Vesper Telecom
- VietGuys J.S.C.
- Vietnam Internet Association
- Viettel Business Solutions Corp
- VNPT - VinaPhone
- Vocom International Telecommunication, Inc.
- VOICETEC SYS LIMITED
- Voipboxx
- Vonage
- Vonip Ltd.
- VOX TELNET LLC
- Voxpace PTE LTD
- Voyzee Communications Inc
- Wangsu/CD Networks
- World Hub Communications Pte. Ltd.
- Yangtze Optical Fibre and Cable Joint Stock Limited Company (YOFC)
- YCLOUD INTERNATIONAL PTE. LTD.
- Yoni Tech
- ZAFTA LINKNET LIMITED
- Zenlayer Inc.