AT&T
Bharti Airtel Services Limited
Emirates Telecommunication Corporation (e&)
Google LLC
Nippon Telegraph and Telephone Corp. (NTT)
Tata Communications Limited
Verizon Communications Inc.
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1Finity Inc.
ABB
ADTRAN, Inc.
AFL Telecommunications LLC.
Amazon.com Services LLC
Amphenol Network Solutions, Inc.
CABLCON
Calix, Inc.
Canoga Perkins
Celestica International LP
Cherokee Nation Industries, LLC dba Cherokee Nation Telecommunications
Ciena Corporation
Cisco Systems, Inc.
CommScope Technologies, LLC
Communications Test Design (CTDI)
Comtech Telecommunications Corp
Corning, Inc.
Eaton
Ericsson Inc.
Ever Energy
FiberHome Telecommunication Technologies Co., Ltd.
Fortress Solutions
GF MICRO OPTICS PHILIPPINES, INC.
Huawei Technologies Co., Ltd.
Infinera now part of Nokia
Jabil Circuit Inc
Jiangsu Zhongtian Technology Co., Ltd.
Johnson Controls
Juniper Networks, Inc.
KCI Telecommunications, LLC
KGPCo
Lightera, LLC
Modine Manufacturing
Network Connex
NOKIA
Oracle
PALCO Telecom Service, Inc.
Power & Telephone Supply Company
Prysmian Cables and Systems, Inc.
Ribbon Communications Inc.
Rolls-Royce Solutions America Inc.
Samsung Electronics
Schneider Electric
Sector Supply, LC
Tech Mahindra Limited
Technavious Solutions Private Limited
Telamon Technologies Corporation
Tempest Telecom Solutions LLC
Trane Technologies
Trillion Communications Corporation
Trilogy Communications, Inc. d/b/a Marmon Industrial Energy & Infrastructure
TruNorthe LLC
Vertiv
ZTE Corporation
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Akkreditierung Austria
ANSI National Accreditation Board (ANAB)
Bizpeer Co., Ltd.
BSI Group
Bureau Veritas India (Private) Limited
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)
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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