Exceptional quality | Industry expertise | Outstanding service

About

The Why Behind M3 MFG

Manufacturing in the U.S. is having a real moment again. Not the flashy kind, the revolutionary kind.

Spacecraft, advanced technology, and next-generation products are driving renewed demand for precision parts made closer to home. At the same time, CNC machining continues to evolve, expanding what’s possible in both capability and efficiency.

M3 MFG was built for this moment.

Our mission is simple: Build parts that are right the first time, communicate clearly, and deliver quality customers can count on.

We do this by:

  • Applying over 30 years of machining, programming, 5-axis, and automation expertise to every job
  • Running the business with strong leadership, clear systems, and excellent customer communication
  • Designing and building parts with real-world use in mind, not just theoretical perfection
  • Treating every customer relationship like a long-term partnership, not a one-off transaction

 

M3 mfg's Vision:

Our vision is to set the standard for a modern machine shop by embracing new technology while staying loyal to the standards that make parts right.

 

Russ, Director of Operations for M3 MFG

Director of Operations

Russ

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, CEO of M3 MFG

Owner, CEO

Deanna

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 for M3 MFG

Designer

Jacob

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.

Get in touch with the M3 Team:

M3 MFG : WORKING AT THE SPEED OF SUCCESS