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M3 Manufacturing | CNC Machining in Ramona, CA

M3 MFG is a CNC Machine Shop in Ramona, CA led by a career machinist with over 30 years of experience in precision manufacturing. With expertise in 5-axis programming, complex fixturing, and automation-focused process optimization we strive for repeatable quality and efficiency. Our background of work supports applications from consumer products to aerospace-grade components.

Serving customers throughout San Diego County and Southern California

Capabilities : CNC Machining, 4 & 5 Axis Programming, 3D Printing

Industries We Support

  • Automotive
  • Agriculture
  • Industrial
  • Energy
  • Semiconductor
  • R & D

Scope of Work: M3 Mfg is a precision CNC machine shop producing small- to medium-sized component parts and sub-assemblies from customer-supplied drawings. Machining is performed in-house and is limited to bench-level assembly.

M3 mfg may provide design-for-manufacturability review, production planning input, and prototype support, including in-house additive manufacturing (3D printing), for evaluation and development purposes only.

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.

M3 mfg, LLC

Machine Shop in San Diego, CA