Mid Valley Protofab

We are a precision manufacturing facility with over 25 years experience in machining, fabricating components and complete assemblies for the robotics, automation, medical, and aerospace fields.

From “proof of concepts” through completed projects, our engineering and manufacturing staff can partner with you to make your ideas a reality.

Build to print, prototype or production, we can do it all. Feel free to contact us or submit an RFQ anytime, 24-7.

"We're excited to help you build something new"




Our facility is equipped with top notch professional machinery
to help produce your parts precisely and on time.

  • Milling 4 CNC mills, one with 4th axis. Up to 32"x64" envelope. 2 Manual milling machines with DRO's
  • Turning 1 CNC lathe & 1 manual lathe with DRO
  • Support 3D Printer, Bandsaw, Coldsaw & Grinders
  • Inspection Brown & Sharpe CMM & other various calibrated inspection tools.
  • Fabrication Sheetmetal, Welding & Fabrication capabilities.
  • Assembly Clean assembly room & Hardware


Some amazing things about us you should know.

  • 25 Years experience We have over 25 years experience in the industry.
  • 84329 Custom parts machined Our machines run around the clock. Yes, that is a lot of parts.
  • 36 Different Materials We have experience in machining over 30 different types of materials.
  • 124 Assembled Systems We have a clean assembly room and a team of skilled technicians to help bring your project to life on time.

Meet the team

Our team values more than big budgets.
Our focus is on completing your projects correctly and on time.

  • Craig Braswell Owner

  • Dwayne Turner Owner

  • John Braswell Owner

  • Brian Fanning Owner


I can only say great things about Mid Valley Protofab -High quality, great people and easy to work with. Their experience in the industry really shines through. Alan Schwarz, Mechanical Engineer

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Contact us

Please don’t hesitate to contact us for more information.


6736-C Preston Avenue Livermore, CA 94551