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.
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.

Integrated welding, fabrication, assembly, and finishing support for precision metal parts and industrial production programs.
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 sheet and plate fabrication for prototypes, short runs, and production quantities, with welding integrated into a broader manufacturing workflow for industrial and OEM applications.
Precision laser cutting prepares steel, stainless, and aluminum components with intricate profiles, tight tolerances, and clean edges before forming, welding, assembly, or finishing.
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 services combine fabricated and welded components into finished units using hardware insertion, riveting, multi-part weldments, and rack chassis system integration.
Final preparation supports production-ready parts through deburring, graining, and coordination of coated or plated finishes after welding, forming, and assembly work is complete.

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.
See how precision fabrication support helps industrial customers move from concept to dependable production.
Choose a proven precision metal manufacturer with the experience and capabilities to support demanding welding projects.
Over 55 years supporting Valley Area industrial, defense, and commercial metal manufacturing needs.
Integrated cutting, forming, welding, assembly, and finishing reduce handoffs and production risk.
Staff help refine designs for cost effective manufacturing before prototypes or production runs begin.
Fast shipment options support tight production schedules across the Valley Area.
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.
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.
Send your questions and drawings for practical project guidance.
Recognizes minority-owned business participation in public projects.
Company value guiding quality-focused fabrication work.
Established metal manufacturer founded in 1969.
Share your drawings, production needs, or project goals, and our team will help determine the right welding and fabrication path.
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.
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.