Click here to view our registration certificate (Horst Engineering nd Thread Rolling Inc.)
Registrar: American Systems Registrar, LLC
ISO10012:2003 and MIL-STD-45662
Sterling Machine is approved for Nonconventional Machining/Electrical Discharge Machining(EDM). Click here to view the certificate.
United States Department of Defense QSLM approved manufacturer of threaded fasteners.
Department of State Registration (DDTC) & Export Licensing
Horst Engineering and Sterling Machine are registered with the United States Department of State Directorate of Trade Controls (DDTC). Click here for our current registration letter. All of the businesses that are affiliates of Horst Engineering, including Sterling Machine, are covered by the main registration. Contact us for questions and country specific export license requests.
Aerospace Customer Major Approvals
- GE Aviation
- United Technologies Corporation
- UTC Aerospace Systems
- High Strength Fasteners
- Pratt & Whitney Aircraft
- PWA 96
- Pratt & Whitney Canada
- Sikorsky Aircraft
- KPS 547
Customer Specific Approvals
Our Quality Management System meets the requirements for many major customers in a variety of high technology industries. Please contact us for details about specific customer approvals.