Exceptional quality | Industry expertise | Outstanding service

M3 Team

The M3 Team

Russ - Director of Operations

Russ brings over 30 years of hands-on machining and programming experience to M3 MFG. From complex setups to dialing in tight tolerances, he’s the "calm", methodical force that keeps the machines humming.

His career began in trade school while still in high school, followed by work in job shops and 18 years machining precision components in the aerospace industry. He emphasizes lean manufacturing practices that improve efficiency, repeatability, and overall process reliability. With over 20 years of multi-axis programming experience, Russ continues to apply advanced automation strategies to support consistent, high-quality machining.

Deanna - Owner, CEO

Deanna keeps M3 running smoothly everywhere it matters, from the front office to the shop floor. With hands-on machining training, she can run machines and make parts right alongside the team, bringing a rare perspective that bridges production and leadership.
Her background in marketing and business development shapes how M3 supports its customers.
She believes great work is only part of the job, delivering an excellent experience and building lasting customer relationships is what keeps a shop truly successful.

Jacob - Designer/Fabricator

Jacob supports M3 with 3D Printing projects. His background includes four years in a high school CTE program focused on automotive technology and welding. He currently works as a certified welder in the aerospace industry and previously spent several years at a race car shop building and fabricating components. His hobbies of RC cars and dirt bike riding give him practical understanding for designing components. Jacob supports M3 mfg as needed.

Rooted in San Diego and based in Ramona, M3 MFG is a family-run company built by the McMahons.

The M3 Team

  • CNC machine cutting a metal component on a dark background

    Russ

    Director of Operations

  • part on a 5 axis CNC mill

    Deanna

    Owner, CEO

  • 3D printer and plastic part

    Jacob

    Welder, Designer
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machinist with inspection report

Industries We Support

  • Aerospace & Defense
  • Automotive
  • Agriculture
  • Industrial
  • Energy
  • Medical
  • Semiconductor
  • R & D
3D modeling

How To Get Started

  • Send us a CAD file
  • Share Project Requirements:
    Include material, quantity, tolerances, and desired lead time.
  • Review & Estimate: A detailed quote will be emailed to you outlining costs and timelines. We will call to discuss the project and clarify details.
  • Manufacturing begins once the Quote is approved.
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