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In 1998 QuEST Forum (now TIA QuEST Forum) developed the TL 9000 quality management system (QMS) to meet the supply chain quality requirements of the worldwide communications industry. TL 9000 is a quality management system built on ISO 9001 and the eight quality principles but designed specifically for the communications industry.

TL 9000: Our Value Proposition



TL 9000 Handbook Status

Current revision status and plans for the TL 9000 Requirements Handbook, Measurements Handbook, and Category Tables.





TL 9000 Information Alert 25-001A

To clarify the intent of Section 3.4.2 'Customer Base' with respect to submitting TL 9000 data for all customers (rather than a subset) that provide the necessary data to generate accurate measurements in an organization's certified product category(s).


TL 9000 Jump Start Program

Succeed in implementing and certifying your TL 9000 registration with the assistance of a subject matter expert.



Anonymous Post Audit Feedback

In the spirit of improvement, the Oversight Work Group (OSWG) established an anonymous feedback mechanism