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Expert Custom Engineering & Fabrication Services

From early design support to production-ready metal components, Ron Nunes Enterprises delivers Custom Engineering & Fabrication Services for demanding commercial and industrial applications. With over 55 years of manufacturing experience, full-service fabrication capabilities, and support for prototype-to-production runs, our team helps customers turn precise requirements into cost-effective, reliable finished parts and assemblies.

Precision metal fabrication shop with fabricated chassis parts

Our Custom Engineering & Fabrication Services Services

Full-service precision metal fabrication, engineering support, chassis manufacturing, welding, forming, assembly, and production scheduling.

Custom Fabrication

Custom sheet and plate fabrication for one-off prototypes, short runs, and full production quantities, built around customer drawings, application requirements, and practical manufacturing goals.

Precision Parts

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

Laser Cutting

Clean, accurate cutting for sheet and plate metal, including intricate profiles, tight tolerances, and steel, stainless steel, or aluminum part requirements.

Metal Forming

Press brake forming for angles, channels, boxes, enclosures, chassis components, and complex sheet metal geometries that require consistent bends and production repeatability.

Welding Services

Structural, cosmetic, and sealed welds for fabricated components, enclosures, weldments, and assemblies that require dependable joining and finished appearance.

Mechanical Assembly

Mechanical assembly services including hardware insertion, riveting, multi-part weldments, chassis systems, and finished units that simplify downstream customer production.

Engineer reviewing CAD drawings and fabricated metal parts

Our Fabrication Process

Review Drawings And Requirements

The process starts with your drawings, specifications, quantities, materials, tolerances, and delivery needs. The team reviews functional requirements and identifies the right fabrication path for prototypes, production parts, chassis, or mechanical assemblies.

Optimize For Manufacturability

Fabricate With Precision Processes

Assemble Finished Components

Schedule And Ship Reliably

Proven Manufacturing Results

Built For Industry

Supporting precision, commercial, and industrial customers with dependable fabrication solutions since 1969.

"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 Ron Nunes Difference

Why Choose Ron Nunes Enterprises?

Choose a fabrication partner with proven capabilities, practical support, and decades of manufacturing experience.

Experience

Founded in 1969, bringing over 55 years of precision manufacturing experience.

Full Service

Laser cutting, forming, welding, assembly, finishing, and chassis manufacturing under one program.

DFM Support

Staff support helps improve manufacturability and reduce avoidable production costs.

Reliable Delivery

Scheduling integration and fast turnaround support ongoing OEM and contract manufacturing needs.

Meet Our Manufacturing Team

Experienced manufacturing support for demanding metal fabrication projects.

Established in 1969 by Ron Nunes, Ron Nunes Enterprises was founded to meet the growing need for dependable manufacturing services across a broad range of applications. From its headquarters in Livermore, California, the company has served precision, commercial, and industrial market segments for over 55 years. Its capabilities have evolved alongside customers in communications, telecommunications, transportation, nuclear and physics research, and national defense applications. Today, the team remains committed to manufacturing excellence, practical customer support, and cost-effective solutions. Whether a customer needs product development support, custom rack chassis, prototype fabrication, or recurring production, Ron Nunes Enterprises brings decades of hands-on fabrication knowledge to each project.

1969Founded by Ron Nunes
55+ YearsPrecision manufacturing experience
DBE CertifiedCaltrans Certified minority-owned business

Frequently Asked Questions

What custom engineering and fabrication services do you offer?

Ron Nunes Enterprises supports custom sheet and plate fabrication, precision metal parts, rack mount chassis, mechanical assemblies, weldments, and production-ready components. Capabilities include laser cutting, shearing, N/C punching, forming, welding, assembly, and finishing support. The team works from customer drawings and can assist with design-for-manufacturability considerations before production begins.

Can you handle both prototypes and production runs?

What materials can be used for fabricated parts?

Do you provide design-for-manufacturability support?

How long does a custom fabrication project take?

What industries do you serve?

What information is needed to request a quote?

Do you manufacture rack mount chassis systems?

Have a Fabrication Question?

Get practical answers from experienced manufacturing specialists.

Certified & Experienced

Awards and Recognition

Caltrans Certified DBE logo

Caltrans Certified DBE

Recognized minority-owned business certification.

Over 55 years experience badge

55+ Years Experience

Over five decades of manufacturing experience.

Manufacturing excellence badge

Manufacturing Excellence

Committed to precision manufacturing excellence.

Start Your Custom Fabrication Project

Share your drawings, production needs, or rack chassis requirements, and our team will help identify the right fabrication path.

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.