Sierra Technical Services Design

Our Certifications

  • AS9100 Rev D & ISO9001:2015
  • DCAA Approved Cost Accounting System
  • Department of Trade Controls (DDTC) Registered
  • Approved Government Property Management Systems (DCMA)
  • Approved Quality Management System
    • Approved Suppliers List (Vetted)
    • 100% Material Traceability
    • NIST Certified Calibration Program
    • Process Specifications
  • Configuration Management
  • Production Control
  • Continual Improvement Philosophy
A Certified ISO 9001:2015 Company badge
A ISO 9001:2015 Certified Ribbon
ITAR Compliant Badge

STS is a Woman-Owned Small Business (WOSB) Aerospace Design, Engineering and Manufacturing company located at the Tehachapi Municipal Airport (KTPS) in Tehachapi, California.