AT&T
Bharti Airtel Services Limited
Emirates Telecommunication Corporation (Etisalat by e&)
Nippon Telegraph and Telephone Corp. (NTT)
Tata Communications Limited
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ADTRAN, Inc.
AFL Telecommunications LLC.
Alcatel Submarine Network (ASN)
Amazon.com
Amphenol Network Solutions, Inc.
CABLCON
Calix, Inc.
Canoga Perkins
Celestica International LP
Cherokee Nation Industries, LLC dba Cherokee Nation Telecommunications
Ciena Corporation
Cisco Systems
CommScope, Inc
Communications Test Design (CTDI)
Comtech Telecommunications Corp
Corning, Inc.
FiberHome Telecommunication Technologies Co., Ltd.
Fortress Solutions
Fujitsu Limited
GF MICRO OPTICS PHILIPPINES, INC.
Huawei Technologies Co., Ltd.
Infinera now part of Nokia
Jabil Circuit Inc
Jiangsu Zhongtian Technology Co., Ltd.
Juniper Networks, Inc.
KCI Telecommunications, LLC
KGPCo
Lightera, LLC
NOKIA
Oracle
PALCO Telecom Service, Inc.
Power & Telephone Supply Company
Prysmian Cables and Systems, Inc.
Ribbon Communications Inc.
Samsung Electronics
Sector Supply, LC
Tech Mahindra Limited
Telamon Technologies Corporation
Tempest Telecom Solutions LLC
Trillion Communications Corporation
Trilogy Communications, Inc. d/b/a Marmon Industrial Energy & Infrastructure
Vertiv
ZTE Corporation
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Akkreditierung Austria
ANSI National Accreditation Board (ANAB)
Bizpeer Co., Ltd.
BSI Group
Bureau Veritas India (Private) Limited
Business for Social Responsibility
Bywater Excel
CANTO
CEPREI Certification Body
China National Accreditation Service for Conformity Assessment(CNAS)
DNV
DQS Inc.
Hong Kong Quality Assurance Agency (HKQAA)
Industrial Internet Consortium (IIC)
IRAM
Japan Accreditation Board (JAB)
Japan Quality Assurance Organization - JQA
Korea Accreditation Board
Korea Quality Assurance (KQA)
National Association of Tower Erectors (NATE)
National Standards Authority of Ireland
NQA (National Quality Assurance)
Omnex
QA - Quality Austria
SGS-CSTC Standards Technical Services Co., Ltd.
Shenzhen Association for Quality (SAQ)
Standards Council of Canada (SCC)
Technofer.Ltd.Japan
TeleManagement (TM) Forum
TUV Rheinland (China) Ltd.
TUV SUD America, Inc.
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