John Evans is certified to ISO Quality Management systems: ISO 9001, ISO 13485 & AS9100. Please see those certs. as well as other affiliations below.

Our Quality Policy

John Evans’ Sons, Inc. manufactures a variety of precision springs, wireforms and spring assemblies. We are dedicated to fully understanding and exceeding customer expectations through teamwork and the ongoing pursuit of technical and manufacturing excellence. We are committed to satisfying the requirements of, maintaining the effectiveness of, and continually improving our quality management system, which is based on the principals of ISO 9001, AS9100, and ISO 13485.

Current ISO Certifications

ISO 13485 Certification Click to open .pdf
ISO 13485 Certification

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ISO 9001 & AS9100 Certification Click to open .pdf
ISO 9001 & AS9100 Certification

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AAMA Varification Certificate Click to open .pdf
AAMA Varification Certificate

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Fenestration & Glazing Industry Alliance Certificate Click to open .pdf
Fenestration & Glazing Industry Alliance Certificate

Click to open .pdf


We are: American Architectural Manufacturers Association (AAMA) Qualified, ISO 9001, AS9100 and ISO 13485 Certified. Members of the National Business Aviation Association (NBAA), and the Northeast Window & Door Association (NWDA).