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ISO Approvals / Compliance

​​​​​​​​​​Chesterton has been independently audited for over 20 years to certify that our systems meet or exceed standards of customer satisfaction with a focus on continuous improvement.

A.W. Chesterton Company has long been committed to Quality and Environmental ISO®​ standards* and was, in fact, the first seal manufacturer in the U.S. to achieve ISO 9001 certification and the first in its industry to be registered to ISO 14001.​

Click and scroll down to view ALL ISO DOCUMENTS in our Literature Library.

T​o view other compliance documents, visit the Chesterton Literature Library​

*ISO is a registered trademark of the International Organization for Standardization​

Chesterton ISO Approvals