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.
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.

Full-service precision metal fabrication from prototypes and parts to rack chassis, assemblies, finishing, and production support.
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 sheet and plate metal components fabricated to customer specifications, supporting commercial, industrial, research, defense, transportation, medical, and communications applications.
Accurate laser cutting for steel, stainless steel, and aluminum parts requiring intricate profiles, tight tolerances, clean edges, and repeatable production quality.
Press brake forming creates angles, channels, boxes, chassis structures, enclosures, and complex geometries from sheet metal for functional, production-ready components.
Structural, cosmetic, and sealed welding joins fabricated metal components into stronger weldments, enclosures, frames, and assemblies for demanding customer applications.
Mechanical assembly services combine fabricated parts into finished units, including hardware insertion, riveting, multi-part weldments, chassis systems, and production-ready assemblies.

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.
Supporting demanding OEMs with precision fabrication, assembly, chassis manufacturing, and production-ready metal components.
Choose a fabrication partner built for precision, production readiness, and long-term OEM support.
Founded in 1969, the company brings proven fabrication knowledge to demanding industrial applications.
Laser cutting, punching, forming, welding, assembly, and finishing support projects under one fabrication partner.
Staff assist with cost-effective manufacturing applications before customers commit to production tooling or quantities.
Scheduling integration and published chassis shipment commitments help OEMs plan production with confidence.
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.
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.
Send your drawings or specifications for practical fabrication guidance.
Recognizes minority-owned business certification.
Established fabrication experience since 1969.
Committed to precision manufacturing excellence.
Share your drawings, specifications, quantities, or rack chassis requirements, and the team will help identify practical fabrication options, timelines, and next steps.
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.