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Portrait photo of a steel structure under construction with workers on top, a crane, and a clear blue sky with an American flag.

Building Hawai'i Skyline

Honoring a three-generation legacy, our veteran-owned specialists provide elite, safe, high-quality structural civil solutions with integrity and a strong American work ethic. 

We are proud of our heritage. Since 1969, we have evolved from a three generation, family-owned construction company to a diversified firm to meet todays demands. 

© 2026 JCN Ironworks. All rights reserved.

Structural & Welding Specialists | Veteran Owned

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What We Offer

Structural Steel & Welding Expertise

We specialize in safely planning and executing structural steel, precast, concrete, reinforcing steel, rigging, welding, and developing welding procedures tailored to your project’s needs and requirements.

Structural Installation

Precision installation of large and small structural components for any type of framing.

Certified Welding

Expert FCAW and SMAW welding meeting stringent industrial standards, with support in developing welding procedures for your specific needs and applications.

Retrofitting

Structural reinforcement and commercial upgrades for aging steel assets, from small to large concrete spall repairs.

Project Safety

Fostering a zero-incident environment through bespoke safety planning and dedicated specialist teams, we collaborate with clients and governing bodies to ensure total site compliance.

Featured Roles & Team

Welding Services

FCAW, SMAW and Specialty welding roles for experienced union field ironworkers seeking challenges.

Construction Support

Quality & Safety Control: Inspect active work zones, monitor material compliance, and actively enforce OSHA and company safety requirements.

Trade Coordination: Communicate daily plans, coordinate material deliveries, and resolve field clashes with subcontractors and vendors

Operations

Coordinate logistics, safety compliance, and daily workflow efficiency on our construction sites.

01

01 Estimate

We provide a detailed project quote based on your specific project requirements for industrial, commercial, federal, and private project scope.

02

02 Plan

Our team develops precise logistics, safety protocols, detailing, welding procedures and project coordination for your construction site.

03

03 Build

We execute high-precision structural repairs, welding, concrete, precast and steel erecting across the islands to the highest industrial standards.

Construction worker in safety gear standing on a high structural steel beam against a clear blue sky, wide landscape photo emphasizing height and industrial steelwork.
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