Certifications & Approvals

Quality Management System

ISO9001:2015 and AS9100D

Registrar: American Systems Registrar, LLC

Calibration Systems

ISO10012:2003 and MIL-STD-45662

Military Approvals

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). 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
    • ASQR-01
  • UTC Aerospace Systems
    • High Strength Fasteners
  • Pratt & Whitney Aircraft
    • LCS
    • PWA 96
  • Pratt & Whitney Canada
  • Sikorsky Aircraft
  • Kaman
    • 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.