Our Customers

Quality and Service are the foremost concepts of each member of the Sierra Alloys team. Our total commitment to both quality and service has earned us worldwide recognition and prestigious quality approvals. We are qualified to supply material for applications ranging from fracture critical 10-2-3 for the Boeing 777 and C-17 to surgical implant material.

We present this partial list of Sierra Alloys customers to illustrate the scope of our involvement in the aerospace and aircraft markets as well as our ability to meet the strict standards required by these companies.

  • Allied Signal Aerospace
  • Bell Helicopter, Philadelphia, PA
  • Bell Helicopter, TX
  • Boeing Aerospace and Electronics Groups
  • Boeing Commercial Airplane, Seattle, WA
  • Boeing Defense and Space Group
  • Bombarbier, Inc., Canadair Aerospace Group
  • Douglas Aircraft Co.
  • Douglas Canada
  • General Dynamics, Ft. Worth, TX
  • General Electric Corp., Cincinnati, OH
  • Goodrich Corp.
  • Grumman Aerospace Corp.
  • Gulfstream
  • Hercules, TX
  • Hughes Missile Systems Co.
  • Learjet
  • Lockheed Martin Corp., California
  • Lockheed Martin Corp., Georgia
  • Lockheed Martin Corp., Ft. Worth, TX
  • Loral Aerospace
  • Lucas Aerospace
  • Martin Marietta Corp., Aero and Naval Systems
  • McDonnell Douglas, Space Systems
  • McDonnell Douglas, St. Louis Division
  • McDonnell Douglas, Tulsa Division
  • Northrop Aircraft Co.
  • Northrop, B2 Division
  • Parker Hannifin Corp.
  • Pratt and Whitney Corp., Canada
  • Pratt and Whitney Corp., CT
  • Pratt and Whitney Corp., FL
  • Raytheon Corp.
  • Rockwell International, NAAQ
  • Rockwell International, Rocketdyne Division
  • Rockwell International, Tulsa, OK
  • Rohr Industries, Inc.
  • Sifco Forge Group
  • Sikorsky Aircraft
  • Spirit Aero, Wichita, KS
  • Sundstrand Aviation
  • Textron Aerostructures
  • Vought Aircraft

Our Awards

Boeing Logo
Performance Excellence Gold 2009
Performance Excellence 2008
Performance Excellence 2007

Northrop Grumman Logo
Platinum Supplier

Pratt & Whitney Logo
LCS Approved Manufacturer

Our Location


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Contact Us

Sierra Alloys Co.

Address:5467 Ayon Avenue
City:Irwindale, CA 91706

Telephone: +626-969-6711
Others: +800-423-1897
FAX: +626-969-6719

E-mail: info@sierraalloys.com