Certification Listing

- 1&1 Versatel GmbH
- 2Degrees Mobile Ltd
- Accenture
- Acronym Solutions Inc.
- ADVANCED INFO SERVICE PLC. (AIS)
- Advanced Network
- AFR-IX telecom S.L.
- Airbus
- Altice Labs, S.A
- alvatross
- Al Yah Satellite Communications Company Pjsc
- Amartus
- Amazon Web Services, Inc.
- Amdocs Management Limited
- America Movil
- AMRES
- Analysys Mason
- ANS Digital Transformation Limited
- Aria Systems Inc.
- AsiaCell Communications LLC
- AsiaInfo Technologies (China), Inc.
- AT&T Inc.
- ATC IP LLC
- Atos
- ATT Consulting
- Aussie Broadband Limited
- Automatum
- Avaloq Group AG
- Axians
- AXIAN TELECOM MIDDLE EAST TECHNICAL AND MANAGEMENT SERVICES LIMITED
- Axiata Group Berhad
- Azercell Telecom
- Bahrain Telecommunications Company (Batelco)
- Bahwan Cybertek
- BCM One, Inc.
- Bell Canada
- Beyond Now GmbH
- Bharti Airtel Ltd
- BMC Software Distribution B.V
- Botswana Telecommunications Corporation
- Bouygues Telecom
- bouyguestelecom
- BT Group plc
- Capgemini
- Celcom Axiata Berhad
- Celfocus
- Cerillion Technologies Limited
- CGI Information Systems and Management Consultants Inc.
- Charter Communications
- China Mobile Communications Corporation
- China Telecommunications Corporation
- Chunghwa Telecom Company LTD
- Ciena Corporation
- Circa Information Corporation
- Cisco Systems
- CityFibre
- Clarity Global Pty Ltd
- Claro Dominican Republic
- Claro Guatemala
- CloudBlue
- Cloudsense Ltd.
- Cogeco Communications Inc.
- Cognizant Technology Solutions
- Colt Technology Services
- Comarch S.A.
- Comviva
- conology
- COVALENSE DIGITAL SOLUTIONS LLC
- CreativeFive
- CRM.COM Software Ltd.
- Crown Castle
- CSG Systems, Inc.
- Cubastion Consulting Private Limited
- CyberMAK
- Datastream Digital Sdn Bhd
- Dell Technologies Inc.
- Deloitte
- Detecon International
- Deutsche Glasfaser Management GmbH
- Deutsche Telekom (UK) Ltd
- Deutsche Telekom AG
- Devoteam
- DGIT
- Dialog Axiata PLC
- Digia Finland Oy
- DiGi Telecommunications Sdn Bhd
- Dish Network
- DNA Plc
- DNV
- Echo5G
- Econet Wireless Zimbabwe
- EITC (DU)
- Electron Bridge
- Elisa Corporation
- EloGroup
- ENTEL BOLIVIA S.A.
- Entel Chile
- Entel Perú S.A.
- Enxoo Sp. z o.o.
- Epam Systems Ltd
- Equinix, Inc
- Ericsson Inc.
- Ernst & Young
- Ethio Telecom
- Etihad Etisalat Mobily
- Etisalat UAE
- ETIYA
- EWE TEL GmbH
- EXFO Inc
- FPT Telecom
- Friedrich-Alexander-Universität Erlangen-Nürnberg
- Fujitsu
- Fundació Privada i2cat
- GBM de Guatemala
- GCI Communication Corp
- GDi CMT Global LLC
- GEANT Vereniging
- Giganet UK
- GlobalConnect A/S
- GlobalLogic
- Globetom
- Globys, Inc.
- Google Cloud
- Grameenphone Ltd
- Granite Telecommunications
- Grupo GTD
- Grupo MASMOVIL
- Hansen Technologies
- Hellenic Telecoms Organization
- Hewlett Packard Enterprise
- Hrvatski Telekom d.d.
- Huawei Technologies Co. Ltd
- Hughes Network System (HNS)
- Hutchison 3G Austria GmbH
- Hutchison 3G UK
- Hyperoptic Ltd
- i2i Systems
- IBM Corporation
- Imagine Sdn Bhd
- INATEL - Instituto Nacional de Telecomunicacoes
- Indosat Ooredoo Hutchison
- Indra Sistemas S.A.
- Info-M Számítástechnikai, Kereskedelmi és Szolgáltató Zrt
- Infosys
- IntegraTouch
- Intellexi d.o.o.
- Intracom Telecom
- inwi
- Iquall Networks Inc
- Italtel S.A.
- Italtel S.p.A
- ITgma
- Itochu Techno Solutions Corporation
- IT Services Hungary Kft
- Jazz Pakistan
- Jio Platforms Limited
- JSC Silknet
- JT (Jersey) Ltd
- Kazakhtelecom JSC
- KCOM Group Limited
- KPMG International
- KT networks
- Kumoco Ltd
- L&T Technology Services Limited
- LabsXD
- Land Registration Systems Inc
- Liberty Latin America
- Libyana Mobile Phone
- Lintas Media Danawa
- LotusFlare
- Lyse Tele AS
- M-net Telekommunikations GmbH
- Magenta Telekom
- Magyar Telekom Plc.
- Makman Technology Consulting
- Marand, software ltd
- Mascom Wireless
- MATRIXX Software
- Mavenir Systems
- Maxis Broadband Sdn Bhd
- MDS Global Ltd
- Metronet
- Microsoft Corporation
- Millicom Cable Costa Rica, S.A.
- Millicom International Cellular S.A.
- Millicom Tigo Bolivia
- Millicom Tigo Guatemala
- Minsait Brasil LTDA
- Mobicom Corporation
- Mobifone Corporation
- Mobile Telecommunications Limited
- Mobile Telecommunications Saudi Company (Zain KSA)
- mtel Banja Luka
- MTN Group Limited
- MTN Irancell
- MTN Nigeria
- MTN South Africa
- Multichoice Support Services (Pty) Ltd
- MYCOM OSI
- NBNCo Ltd
- Ncell
- NCS Pte Ltd
- NEC Corporation
- Netadmin System i Sverige AB
- NETCOMPANY-INTRASOFT S.A.
- NETCON LTDA.
- Netcracker Technology
- Neterra EOOD
- NetworkedAssets GmbH
- Nexign
- NMSWorks Software Pvt. Ltd.
- No Company
- Nokia
- Norconsult Telematics
- NOS Technology
- NTS Retail GmbH & Co KG
- NTT DATA CORPORATION
- NTT Group
- Nuuday
- NW Consulting
- Odido Netherlands B.V.
- Ogi
- One NZ Group Ltd.
- ONE Telecommunications, Macedonia
- Ooredoo Group
- Ooredoo Palestine
- Ooredoo Qatar
- OpenNet A/S
- OPTARE SOLUTIONS, S.A.
- Oracle Corporation
- Orange
- Orange Egypt
- Orange Polska
- OryxGateway FZ LLC
- Ovetix
- Pak Telecom Mobile Limited
- Palladin Tech
- Panamax Inc.
- Pegasystems, Inc.
- Persistent Systems Ltd
- Philippine Long Distance Telephone Company (PLDT)
- PiA (People In Action)
- POWERACT Consulting
- PricewaterhouseCoopers International Limited
- PrJSC 'VF Ukraine'
- Prodapt North America, Inc
- Protiviti Global
- Proximus SA
- PT Telekomunikasi Selular
- PT Telkomunikasi Indonesia
- PT XL Axiata Tbk.
- Public Telecommunication Corporation (PTC)
- Qeema Consultancy and Technology Service
- Rakuten, Inc.
- Rakuten Mobile, Inc.
- Readiness IT Systems Integration, S.A.
- Rede Nacional de Ensino e Pesquisa
- Reply
- Riu Global Services Pvt.Ltd.
- Robi Axiata Limited
- Rogers Communications Inc.
- Royal KPN N. V.
- S4-Digital
- Safaricom PLC
- Salesforce
- SAP
- SAS Institute Inc
- SaskTel
- Sasktel International
- Saudi Ericsson
- Saudi Telecom Company
- SelfX Now Technologies LLC
- ServiceNow, Inc.
- SES Astra S.A.
- Sigma EMEA
- Silknet
- Singapore Telecommunications Ltd
- Singtel Optus Pty Limited
- SKY Network Services - BSkyB
- Slalom Consulting
- Smart Axiata Co. Ltd.
- SMART COMMUNICATIONS, INC.
- Sofrecom Tunisie
- SoftBank Corp
- Sogetel Inc
- solvatio AG
- Sri Lanka Telecom PLC
- Ss. Cyril and Methodious University -- Faculty of Computer Science and Engineering
- StarHub Ltd
- STC Kuwait
- STC Solutions
- Sterlite Technologies Limited
- Subex Inc
- Sudatel Telecom Group co. Ltd.
- Suntech S.A.
- Swisscom (Schweiz) AG
- Synthesis Systems Inc
- T-Mobile Czech & Slovak Telekom, a.s.
- T-Systems International Services GmbH
- Tata Communications Ltd
- Tata Consultancy Services
- TAWAL
- TDC NET A/S
- Tech Mahindra Limited
- TechNarts (Nart Bilişim)
- TechNEconomY DK
- Technische Universitaet Muenchen
- Tecnotree
- Telcel Mexico
- Telecom Egypt
- TELEFONICA
- Telefonica Brasil S.A.
- Telefonica Germany GmbH & Co. OHG
- Telefonica Moviles SA
- Telefonía Celular de Nicaragua, S.A.
- Telefónica Celular del Paraguay SAE
- Telekom Slovenije
- Telemovil El Salvador, S,A de C.V.
- Telenet NV
- Telenity İletişim Sistemleri San. ve Tic. A.Ş.
- Telenor ASA
- Telenor Connexion
- Telenor Denmark
- Telenor Pakistan
- Telenor Sverige
- Telesom
- telespazio spa
- Telia Company
- Telia Eesti AS
- Telia Lithuania
- Telia Norge AS
- Telstra Corporation
- TELUS
- The Boston Consulting Group
- The Institute of Electrical and Electronics Engineers Incorporated
- The University of Edinburgh
- Thinkskink
- Tieto
- Tigo Colombia
- Tigo Honduras
- Tigo Panama
- Tmcel – Moçambique Telecom, SA
- TM Technology Services Sdn Bhd
- Total Access Communication Public Company Limited
- Totalplay Telecomunicaciones S.A. de C.V
- Triple-Innovations Ltd
- True Corporation Public Company Limited
- Tucows
- Tunisie Telecom
- Turk Telekomunikasyon A.S.
- Türkiye’nin Otomobili Girisim Grubu Sanayi ve Ticaret Anonim Sirketi
- ultraBASE
- Umniah Mobile Company
- Unified National Networks Sdn Bhd
- Universidad Técnica Federico Santa María -- Departamento de Industrias
- University College Dublin
- University College London School of Management
- Unsere Grüne Glasfasser
- Upp Corporation Limited
- US Cellular Corporation
- Verizon Communications
- Veschatel LLC
- Viasat, Inc.
- VicTrack
- Vietnam Airlines JSC
- Vietnam Posts and Telecommunications Group (VNPT)
- Viettel Group
- VMware by Broadcom
- Vodacom
- Vodacom (Pty) Ltd.
- Vodacom Mozambique
- Vodafone Egypt
- Vodafone Ghana
- Vodafone GmbH
- Vodafone Greece
- Vodafone Group
- Vodafone Hutchison Australia
- Vodafone Idea Limited
- Vodafone India Limited
- Vodafone India Services Private Limited
- Vodafone Portugal
- Vodafone Romania SA
- Vodafone Turkey
- Vodafone UK Ltd
- Wavelo
- Whale Cloud Technology Co., Ltd
- Wind Hellas Telecommunications SA
- Wipro Technologies
- WOM
- World Wide Technology
- x-S4-Digital
- XACRIA s.r.l
- Zain Bahrain
- Zain Sudan
- ZDSL.com
- Zenith System Solutions, Inc.
- ZIRA Ltd.

Rank #	Organization	Knowledge Certified Individuals	Career Certified Individuals	Knowledge Certifications	Career Certifications
1	Tech Mahindra Limited	2037	648	7202	1678
2	Cognizant Technology Solutions	1421	106	2903	290
3	ETIYA	900	24	3969	39
4	Oracle Corporation	447	138	1314	344
5	AT&T Inc.	441	0	870	0
6	CGI Information Systems and Management Consultants Inc.	428	109	1204	314
7	CSG Systems, Inc.	362	128	1256	323
8	Entel Chile	361	0	1160	0
9	Ericsson Inc.	245	84	522	101
10	Deutsche Telekom AG	243	11	431	16

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