Certificate of RegistrationThis certifies that the Quality Management System of

Precision Machining Services, Inc.1009 Pineville Road

Chattanooga, Tennessee, 37405, United States

has been assessed by NSF-ISR and found to be in conformance to the following standard(s):

AS9100D with ISO 9001:2015*Audited in accordance with AS9104/1:2012 Requirements for Aviation, Space, and Defense Quality Management System Certification Programs.

NSF-ISR is accredited under the Americas Aerospace Quality Group Registration Management Committee.

Scope of Registration:CNC & conventional machining of OEM and custom-made parts and products using metals, plastics and composites;

assembly and painting; Mechanical Measurement and Verification Services.

Tom Chestnut,Sr Vice President - ISR, NSF-ISR, Ltd.

Certificate Number: 2Z591-AS11Certificate Decision/Re-Issue Date: 25-JUL-2019Certificate Issue Date: 27-AUG-2019Expiration Date *: 26-AUG-2022