https://www.deepmetlab.in/
Metallurgical Services, Proficiency Testing Provider, PT Provider, Mumbai, India
Deep Metallurgical Services (DMS) is an accredited Proficiency Testing Provider (PTP) by renowned National Accreditation Board for Testing and Calibration...
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https://www.agmetrology.com/
AG Metrology | Proficiency testing provider e taratura a Modena, Italia
Jan 9, 2022 - Accredited Proficiency Testing Provider and calibrations services by PJLA (ISO IEC 17043 e ISO IEC 17025), in Modena, Italy.
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https://www.ptsouthquality.com/
PT South Quality | Proficiency Testing Provider | ISO 17043 | Argentina
South Quality is an Argentine company that provides proficiency tests carried out according to ISO/IEC 17043 standard.
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https://ptinterlab.com/
ILT | Proficiency Testing Provider (PT Provider)
Mar 3, 2026 - ILT is an ISO/IEC 17043–Accredited Proficiency Testing Provider (PT Provider). We run interlaboratory comparisons, z-score reports and custom PT program
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https://genuine-ptp.com/
EGAC Accredited Proficiency Testing Provider | ISO 17043 | Genuine-PTP
Apr 20, 2026 - Genuine-PTP is an EGAC-accredited proficiency testing provider in Egypt. We offer ISO/IEC 17043 compliant PT schemes and interlaboratory comparisons for labs.
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