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Who Are We?

Castor Engineering, Inc. has been a supplier of engineering and development services, custom design solutions, and small lot production of fluid control systems to the aerospace industry for more than four decades. Our expertise in small system design and fabrication, as well as our extensive background in spaceflight qualification programs, aid us in providing the utmost in customer service and technical consultation in all matters related to spacecraft propulsion and fluid control.

Our capabilities cover all phases of system and component development:

  • Project management
  •  Systems engineering
    • Requirements development/review
    • System/requirements validation
  • Test planning and execution
  • System verification.
  • Mechanical and electrical system design.
  • Component fabrication and inspection.
  • In house assembly and test



In addition to these, our quality management system has been certified to SAE AS9100 Rev. ‘C’.

CEI currently has capabilities in the following manufacturing and fabrication areas:

  • Machining
    • Turning
    • Milling
  • Welding
    • Arc
    • MiG
    • Ox/Acetylene
  •  Precision Cleaning
  • Heat Treatment/Age Hardening
  • Clean Room Environment for Critical Assemblies

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