Shipbuilding

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.

A Family of Specialized Companies

Each ONI company brings unique expertise in metals, processing, or manufacturing—working together to deliver comprehensive solutions for shipbuilders and marine fabricators.

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.