Marine & Shipbuilding Metals and Solutions
O’Neal Industries is a global leader in metals distribution, processing, and manufacturing, supporting the marine and shipbuilding industry with dependable materials, responsive service, and deep technical expertise. As the parent company of the nation’s largest family-owned group of metals service centers and manufacturing businesses, ONI brings more than 100 years of experience to naval, commercial, and specialty marine applications.
From structural steel and plate to corrosion-resistant alloys and precision-engineered components, O’Neal Industries and its operating companies deliver the materials shipyards rely on to meet demanding performance, safety, and regulatory requirements.
Metals and Materials for Marine and Shipbuilding Applications
Shipbuilding environments demand materials that perform under extreme conditions: saltwater exposure, high loads, temperature variation, and long service life. O’Neal Industries supports these requirements with a broad portfolio of marine-grade metals, backed by quality systems and supply chain reliability.
Common Marine Applications We Support
- Naval vessels and defense platforms
- Commercial shipbuilding and repair
- Offshore and coastal structures
- Shipboard piping and tubing systems
- Decking, bulkheads, and structural frameworks
- Marine equipment and component fabrication
Comprehensive Product Capabilities
Through our family of operating companies, O’Neal Industries provides a wide range of products and processing services aligned with shipbuilding and marine fabrication needs.
Marine-Relevant Metal Products
- Carbon steel plate and sheet
- Marine-grade aluminum alloys
- Stainless steel and duplex stainless steels
- Specialty alloys for high strength corrosion and heat resistance
- Tubing, pipe, and bar products
Value-Added Processing & Manufacturing
- Precision cutting and machining
- Plate burning and profiling
- Forming, bending, and fabrication
- Kitting and just-in-time delivery
- Supply chain and inventory management solutions
View Products and Capabilities
Why Shipbuilders Choose O’Neal Industries
Industry Experience You Can Trust
Founded in 1921, O’Neal Industries has a long history of supporting critical infrastructure and industrial manufacturing, including significant contributions to U.S. shipbuilding, ship repair, and defense production.
Global Reach with Local Strength
With more than 85 locations worldwide and 68 in the United States, ONI provides the scale and purchasing power of a global organization, paired with the responsiveness and technical support of local teams.
Quality, Compliance, and Reliability
Our operating companies maintain rigorous quality standards and documentation practices to support marine, naval, and defense requirements, helping customers meet specifications, schedules, and regulatory demands.
Supporting the Future of Marine and Shipbuilding
O’Neal Industries remains committed to innovation, continuous improvement, and long-term partnerships. Whether supporting new vessel construction, fleet maintenance, or next-generation marine technologies, we help customers navigate complexity with confidence.




