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Expert Sheet Metal Fabrication & Welding Services

From one-off prototypes to production-ready assemblies, Ron Nunes Enterprises delivers precision sheet metal fabrication and welding services backed by over 55 years of manufacturing experience. Get help with laser cutting, forming, N/C punching, welding, finishing, rack mount chassis, and cost-effective DFM support for demanding commercial, industrial, defense, medical, and technology applications without guesswork or delays.

Precision sheet metal fabrication and welding shop

Our Sheet Metal Fabrication & Welding Services

Comprehensive fabrication support from raw sheet and plate through welded, finished, production-ready assemblies for demanding industrial buyers.

Custom Fabrication

Custom sheet and plate components are built to customer drawings, supporting prototypes, short runs, and production quantities for demanding commercial and industrial applications.

Laser Cutting

Precision laser cutting creates intricate profiles, tight-tolerance features, and clean edges across steel, stainless steel, and aluminum sheet or plate materials.

Metal Forming

Press brake forming shapes metal into angles, channels, boxes, enclosures, and complex geometries used in chassis, panels, and mechanical assemblies.

Welding

Welding services join fabricated components for structural strength, cosmetic appearance, sealed enclosure needs, weldments, chassis systems, and finished assemblies.

N/C Punching

Numerically controlled turret punching produces holes, cutouts, louvers, and formed features efficiently, especially for repeatable patterns and production volumes.

Mechanical Assembly

Mechanical assembly support includes hardware insertion, riveting, multi-part weldments, chassis systems, and finished units prepared for customer integration.

Technician reviewing fabrication drawings

Our Precision Metal Fabrication Process

Design Review & DFM Planning

Your drawings, quantities, materials, tolerances, and application requirements are reviewed for manufacturability. The team can recommend cost-effective adjustments before work begins, helping reduce revisions, wasted material, and production surprises later.

Precision Cutting and Blanking Preparation

Forming and Welding Production Workflows

Assembly Finishing and Final Inspection

Scheduling and Delivery Program Coordination

Built For Industry

Customer Success

Trusted manufacturing support for precision, commercial, industrial, defense, medical, and technology-focused customers.

"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 manufacturing partner built for precision, flexibility, and dependable production support.

Experience

Founded in 1969, the team brings over 55 years of precision manufacturing knowledge.

Full Service

Laser cutting, shearing, punching, forming, welding, assembly, and finishing are coordinated under one supplier.

DFM Support

Knowledgeable staff help refine designs for manufacturability, reducing avoidable cost before production begins.

Turnaround

Stock items ship within three working days, with custom rack chassis timelines defined.

Meet The Fabrication Team

Experienced manufacturing support from prototype through production.

Ron Nunes Enterprises began in 1969 when Ron Nunes recognized the need for manufacturing services that could support a wide range of practical applications. More than 55 years later, the Livermore, California company continues to provide precision metal products for commercial, industrial, and specialized markets. Its capabilities have grown with changing customer requirements, serving communications, telecommunications, transportation, nuclear and physics research, national defense, semiconductor, medical, and other demanding sectors. The company’s vision remains focused on manufacturing excellence: pairing full-service fabrication capabilities with knowledgeable support, cost-effective applications, and dependable production scheduling for customers who need a long-term metal manufacturing partner nationwide.

Since 1969Founded by Ron Nunes to support diverse manufacturing needs.
55+ YearsLongstanding experience across precision, commercial, and industrial markets.
Full-Service ShopCutting, punching, forming, welding, assembly, and finishing capabilities.

Frequently Asked Questions

What do sheet metal companies do?

Sheet metal companies turn flat metal sheets or plates into usable parts, enclosures, brackets, chassis, panels, and assemblies. Typical work includes cutting, punching, bending, welding, finishing, and inspection. Ron Nunes Enterprises also supports product development and DFM, helping customers move from drawings or prototypes into cost-effective production runs with fewer revisions.

What materials can be used for sheet metal fabrication?

Can you handle prototypes and production runs?

How fast can fabricated metal parts be delivered?

Do you provide design or DFM support?

What industries do you serve?

What tolerances can you hold on sheet metal parts?

How do I request a fabrication quote?

Need Help With Your Project?

Send your questions and project details for practical next-step guidance.

Certified & Trusted

Awards and Recognition

Caltrans Certified DBE logo

Caltrans Certified DBE

Minority-owned business certification for public sector work.

Over 55 years experience badge

55+ Years Experience

Established fabrication expertise since 1969.

Manufacturing excellence badge

Manufacturing Excellence

Company commitment to precision manufacturing standards.

Start Your Fabrication Project

Share your drawings, quantities, materials, finish requirements, and target schedule, and the 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.