Stemco Is Quality-Certified

Stemco has been awarded ISO 9001 and QS-9000 quality certifications by Underwriters Laboratories Inc (UL), an accredited independent registration body. Stemco has held ISO 9000 registration since 1994 and QS-9000 since 1995.

To achieve registration, the firm's Longview TX facility underwent an audit by UL that examined the plant's operation, from management responsibility to manufacturing capabilities.

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