CNC Manufacturing Partner

Located In Ontario, California, JC&A Precision Machining provides precise CNC machining tailored to your needs. Our experienced skilled team ensures accuracy, fast turnaround, and quality for prototypes, small runs, or full production.

Prototype - Small Runs - Large Production

Explore what we offer

  • With decades of experience in CNC precision machining, we specialize in producing high-quality milled and turned components with tight tolerances. Our team consistently holds ±0.001 in. and depending on the material and part geometry, we can achieve tolerances as tight as ±0.0005 in.

    We work with a wide range of materials including:

    • Plastics

    • Aluminum

    • Stainless Steels, Tool Steels

    • Titanium

    • High-temperature alloys, and other specialty metals.

    If you have a specific material requirement, we’re equipped to handle it.

  • We provide precision-machined components to a wide range of industries, including:

    • Electrical

    • Automotive

    • Commercial

    • Medical

    • Industrial Hardware

    Our experience across these sectors allows us to deliver reliable, tight-tolerance parts that meet demanding application requirements.

  • Providing a first article with every order to ensure quality and consistency.

    Using precise and accurate measurement tools, we meticulously inspect each part to guarantee perfection.

    Our commitment to delivering high-quality parts is matched by excellent communication throughout the entire process, keeping you informed every step of the way.

    Quality Parts with Great Communication!

A large number of metal cylinder parts arranged in rows on a surface.

Contact Us

Interested in working together? Fill out some info and we will be in touch ASAP. We can’t wait to hear from you!

Quality You Can Trust. Communication You Can Count On.
— JC&A Precision Machining