Ralls Precision Machine, Inc.

Specializing in CNC and manual machining of aluminum, stainless steel, copper, titanium, and reinforced plastics.

Our waterjet capabilities allow us to quickly process flat metals, using our Omax 6012 Waterjet on a 5′ x 10′ table.

At RPM, we’re certified welders with decades of experience welding steel, aluminum, titanium and iconel metals.

From simple brakes to complex shaping and forming, our in-house press brake services take you from design to reality in no-time.

Post finishing, including: passivation, andozing, chemical conversion, electroplating, paint, powder-coating & more.

Dedicated to advanced control testing, ensuring all produced parts meet or exceed specified performance guidelines.

20+

Years Of Experience

About R.P.M.

Dedicated to Precision

Manufacturing Solutions

From waterjet cutting to machining to welding to inspection and more. RPM provides our customers the option of streamlining the processes of each job in one house.

Family Owned and Operated

Founders Andy & Stephanie Ralls dedicate themselves to growing and expanding their family operation, located in San Diego, CA.

Ralls Precision Machine, Inc., established in 2004 is a women owned small business who has built an extremely capable manufacturing facility with a constant eye on the future. Continuously investing in the company has been a key factor in maintaining quality over the competition. Our facility is equipped with cutting edge technology and industry expertise, ensuring we meet and exceed customer expectations. We aim to deliver precision with every project. RPM has decades of experience working with the commercial sector as well as the Department of Defense. Partner with us for all your manufacturing needs!

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Client Review & Feedback

RALLS PRECISION MACHINE, INC.

Professional Certifications

Precision You Can Count On

RPM delivers consistently accurate, high-quality parts with tight tolerances and expert craftsmanship.

All-in-One Manufacturing Solutions

With in-house machining, welding, waterjet cutting, and inspection, RPM streamlines your project from start to finish—saving time and reducing costs.

Trusted Experience

With decades of experience serving both commercial clients and the Department of Defense, RPM understands what it takes to meet the highest standards.

ADVANCED CNC CAPABILITIES

Precision Machining & Manufacturing in San Diego, CA