Precision machined parts, fabrication, welding,
engineering and design serving North Carolina
and the World


SEI is an approved supplier for the US Air Force, Pratt & Whitney, Lockheed Martin, McNally Defense and other major aerospace and defense customers.

At SEI Technologies, our top priority is providing quality at every level of the organization, which is why we have an established an expert quality team who support our mission and promote confidence in our services and products through their tireless work.

Quality Overview
SEI Purchasing Standard Terms & Conditions
SEI Supplier Quality – SQR-01


AS9100 is an aerospace quality standard based on the ISO 9001 quality system requirements. AS9100 takes ISO 9001 requirements and incorporates additional quality system requirements, which are established by the aerospace industry in order to satisfy FAA, DOD and NASA quality requirements.

SEI Technologies is proud to announce that as of August 2018 we are AS9100D certified. Our quality team prides themselves on meeting the strictest of standards and acquiring AS 9100 has independently certified that SEI Technologies adheres to these requirements.

Download Certificate

Contact Us

Are you interested in learning more about our dedication to quality in every service we provide? Please contact us via our web form or call us directly at 828-855-1652.