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OEM Fabricators — Custom Fabrication Services

OEM Fabricators — Custom Fabrication Services helps manufacturers turn precise drawings, prototypes, and production requirements into dependable metal parts, rack chassis, and mechanical assemblies. With over 55 years of fabrication experience, Ron Nunes Enterprises supports complex industrial applications with laser cutting, forming, welding, assembly, finishing, and practical manufacturing guidance.

Precision metal fabrication shop

Our Custom Fabrication Services

Full-service precision metal fabrication from prototypes and parts to rack chassis, assemblies, finishing, and production support.

Custom Fabrication

Custom sheet and plate fabrication for one-off prototypes, short runs, and full production quantities, built around customer drawings and application requirements for dependable OEM use.

Precision Parts

Precision sheet and plate metal components fabricated to customer specifications, supporting commercial, industrial, research, defense, transportation, medical, and communications applications.

Laser Cutting

Accurate laser cutting for steel, stainless steel, and aluminum parts requiring intricate profiles, tight tolerances, clean edges, and repeatable production quality.

Metal Forming

Press brake forming creates angles, channels, boxes, chassis structures, enclosures, and complex geometries from sheet metal for functional, production-ready components.

Welding

Structural, cosmetic, and sealed welding joins fabricated metal components into stronger weldments, enclosures, frames, and assemblies for demanding customer applications.

Mechanical Assembly

Mechanical assembly services combine fabricated parts into finished units, including hardware insertion, riveting, multi-part weldments, chassis systems, and production-ready assemblies.

Metal fabricator reviewing parts during production

Our Fabrication Process From Drawing To Delivery

Review Drawings And Requirements

The team reviews your drawings, specifications, materials, quantities, and end-use requirements. This early evaluation helps identify fabrication challenges, tolerance expectations, assembly needs, and opportunities to reduce production cost before work begins.

Plan Cost-Effective Manufacturing

Fabricate Precision Components

Finish And Assemble Parts

Coordinate Delivery Schedules

Built For Industry

Customer Success

Supporting demanding OEMs with precision fabrication, assembly, chassis manufacturing, and production-ready metal components.

"For more than 20 years…<br><br>For more than 20 years, we have depended on Ron Nunes Enterprises to fabricate Precision sheet metal parts for our various projects. Demanding schedules with short notice, specialty materials, precision dimension never seem to be issue for them to accommodate . The engineering and professional staff..."

Mark Tomei
Mark Tomei

"I was looking for a custom part that I needed made for my canam maverick x3. It was a long shot, but I called this fabrication place, and they made it for me, no problem. I thought that it was so cool of them to take the time to make..."

DANIEL
DANIEL
The RNE Difference

Why Choose Ron Nunes Enterprises?

Choose a fabrication partner built for precision, production readiness, and long-term OEM support.

Experience

Founded in 1969, the company brings proven fabrication knowledge to demanding industrial applications.

Full Service

Laser cutting, punching, forming, welding, assembly, and finishing support projects under one fabrication partner.

DFM Support

Staff assist with cost-effective manufacturing applications before customers commit to production tooling or quantities.

Reliable Scheduling

Scheduling integration and published chassis shipment commitments help OEMs plan production with confidence.

Meet The Fabrication Team

Experienced fabrication support built around manufacturing excellence.

Established in 1969 by Ron Nunes, Ron Nunes Enterprises has spent over 55 years manufacturing metal products for precision, commercial, and industrial markets. From its Livermore, California headquarters, the company supports customers across the United States with custom fabrication, rack mount chassis systems, mechanical assemblies, and production-focused manufacturing guidance. Its history reflects steady adaptation to changing customer needs, from communications and telecommunications to transportation, nuclear and physics research, medical, semiconductor, and national defense applications. The team remains committed to manufacturing excellence, practical customer support, and effective solutions that help OEMs move confidently from product development through repeatable production.

1969Company founded by Ron Nunes.
55+ YearsServing precision, commercial, and industrial markets.
3 Working DaysGuaranteed shipment for stock items after ordering.

Frequently Asked Questions

What does OEM manufacturing mean?

OEM manufacturing means producing parts, assemblies, or finished components that become part of another company’s original equipment. For fabrication, this often includes building metal parts to customer drawings, supporting repeat production, coordinating schedules, and maintaining consistency across orders. Ron Nunes Enterprises supports OEM needs with precision metal parts, rack mount chassis, mechanical assemblies, and prototype-to-production fabrication.

What is the difference between a manufacturer and a fabricator?

Who are OEM suppliers?

What types of parts can be custom fabricated?

Can you help with design-for-manufacturing before production?

Do you handle both prototypes and production runs?

How fast can custom fabrication orders be completed?

What industries does Ron Nunes Enterprises serve?

Still Have Fabrication Questions?

Send your drawings or specifications for practical fabrication guidance.

Certified & Trusted

Awards and Recognition

Caltrans Certified DBE logo

Caltrans Certified DBE

Recognizes minority-owned business certification.

Over 55 years experience badge

55+ Years

Established fabrication experience since 1969.

Manufacturing excellence badge

Manufacturing Excellence

Committed to precision manufacturing excellence.

Start Your Custom Fabrication Project

Share your drawings, specifications, quantities, or rack chassis requirements, and the team will help identify practical fabrication options, timelines, and next steps.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 1-877-800-7225. You can also send us a quick email at sales@ronnunes.com.