Google Icon

Professional Welding Services — Valley Area

When Valley Area manufacturers need clean, durable welds, Ron Nunes Enterprises delivers precision joining backed by full-service metal fabrication. From structural welds to cosmetic or sealed enclosure work, our team supports prototypes, short runs, and production assemblies with practical manufacturing guidance, responsive scheduling, and over 55 years of proven experience serving demanding industrial sectors across the region.

Welder joining precision sheet metal parts

Our Professional Welding Services

Integrated welding, fabrication, assembly, and finishing support for precision metal parts and industrial production programs.

Precision Weldments

Joining services for fabricated metal components, including structural, cosmetic, and sealed welds used in enclosures, rack chassis, equipment housings, and multi-part assemblies requiring strength and precision.

Custom Fabrication

Custom sheet and plate fabrication for prototypes, short runs, and production quantities, with welding integrated into a broader manufacturing workflow for industrial and OEM applications.

Laser Cutting

Precision laser cutting prepares steel, stainless, and aluminum components with intricate profiles, tight tolerances, and clean edges before forming, welding, assembly, or finishing.

Forming Support

Press brake forming creates angles, channels, boxes, chassis parts, and complex geometries that fit accurately before welding and support repeatable enclosure or assembly production.

Mechanical Assembly

Mechanical assembly services combine fabricated and welded components into finished units using hardware insertion, riveting, multi-part weldments, and rack chassis system integration.

Finishing Support

Final preparation supports production-ready parts through deburring, graining, and coordination of coated or plated finishes after welding, forming, and assembly work is complete.

Fabrication team reviewing welded metal assemblies

Our Precision Welding Project Process

Drawing Review and DFM Planning

The team reviews drawings, part requirements, tolerances, and end-use conditions before production begins. For Valley Area manufacturers, this early review helps align weld requirements with local production schedules, supplier needs, and cost effective fabrication methods.

Material Preparation and Accurate Fit-Up

Controlled Welding and Quality Checks

Finishing, Assembly, and Delivery Coordination

Built For Industry

Project Results

See how precision fabrication support helps industrial customers move from concept to dependable production.

"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 proven precision metal manufacturer with the experience and capabilities to support demanding welding projects.

Experience

Over 55 years supporting Valley Area industrial, defense, and commercial metal manufacturing needs.

Full Service

Integrated cutting, forming, welding, assembly, and finishing reduce handoffs and production risk.

DFM Support

Staff help refine designs for cost effective manufacturing before prototypes or production runs begin.

Fast Turnaround

Fast shipment options support tight production schedules across the Valley Area.

Meet The Valley Team

Experienced manufacturing support from a long-established Livermore team.

Ron Nunes Enterprises was founded in 1969 when Ron Nunes recognized the need for manufacturing services that could support diverse applications across a changing industrial market. Based in Livermore, the company has grown alongside the Valley Area’s technology, transportation, research, and manufacturing economy while serving customers across public and private sectors. Today, the team remains committed to manufacturing excellence through precision metal parts, rack mount chassis, mechanical assemblies, welding, and full-service fabrication support. With over 55 years in business, Ron Nunes Enterprises combines practical production knowledge with responsive customer support for semiconductor, defense, medical, telecommunications, transportation, and research applications.

Over 55 YearsPrecision metal manufacturing experience since 1969
Caltrans Certified DBEMinority-owned business certified for qualified programs
Full-Service FabricationCutting, forming, welding, assembly, and finishing capabilities

Frequently Asked Questions

What types of welding services do you provide?

Ron Nunes Enterprises provides welding for fabricated sheet and plate metal components, including structural welds, cosmetic welds, sealed welds for enclosures, weldments, chassis systems, and mechanical assemblies. The work is supported by in-house fabrication capabilities such as laser cutting, shearing, N/C punching, forming, assembly, and finishing for production-ready parts.

Can you handle both prototypes and production welding runs?

What metals can be used for welded fabrication projects?

How long does a welding or fabrication project take?

Do you offer design or manufacturability support?

Which industries do your welding services support?

Are you certified for public-sector or supplier diversity projects?

What should I provide when requesting a welding quote?

Need Welding Guidance?

Send your questions and drawings for practical project guidance.

Certified & Trusted

Awards and Recognition

Caltrans Certified DBE certification badge

Caltrans Certified DBE

Recognizes minority-owned business participation in public projects.

Manufacturing Excellence trust badge

Manufacturing Excellence

Company value guiding quality-focused fabrication work.

Over 55 years experience emblem

55+ Years Experience

Established metal manufacturer founded in 1969.

Start Your Welding Project

Share your drawings, production needs, or project goals, and our team will help determine the right welding and 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.