为确保审计质量，只有Sedex批准的审核公司才能进行SMETA验厂。Sedex授权的第三方审核公司众多，目前有51家审核公司，这些审核公司都已经是APSCA会员。名单如下：
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ABS Quality Evaluations Inc.
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Accordia Global Compliance Group
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ALGI
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APCER
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API Audit Limited
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Arche Advisors
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AUS – Qual
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Benchmarks Co., Ltd.
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BCI Compliance Group
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BSI Group
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Bureau Veritas
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Bureau Veritas Certification
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Centre Testing International Corporation
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Control Union Certifications
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DNV
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DQS CFS GmbH
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ELEVATE
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Ethical Trade Services Africa
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Eurocert SA
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Eurofins
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Extensive Standard Technical Services Co., Ltd.
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GCL International Ltd
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GSCS International ltd
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IBL Africa
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Insite Compliance
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International Associates Limited
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International Compliance Group
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INTERTEK
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IQNet Ltd
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LRQA (Previously Lloyd’s Register)
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LSQA
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NSF Certification UK Ltd
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Omega Compliance
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Openview Service Limited
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Partner Africa
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Primus Auditing Ops
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QIMA Ltd
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SCS Global Services
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SGS
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Sipas
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Excel Sustainability Management & Technology Co., Ltd
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Social Compliance Services Asia
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Sustainable Assurance Solutions Pty Ltd (SAS)
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TUV NORD CERT GmbH
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TUV Rheinland
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TUV SUD
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URS Certification Limited
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UL
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V-Trust
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Verisio Ltd
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Verner Wheelock (incorporating KSSA)
