TRUSTED BY FORTUNE 500 COMPANIES

More than

you think

Premium construction and engineering solutions for billion-dollar companies. Over 30 years of delivering excellence at scale.
Our ServicesContact Us
$2.0B+
Projects Delivered
0+
Enterprise Clients
0+
Years Experience
50%
Customer Satisfaction

Industrial Services Performed

Comprehensive construction solutions designed for the most demanding projects

Industrial Mechanical

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Piping Fabrication & Pipe Installation

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Refractory Services

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Building Solutions

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Shop Fabrication

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Architectual Engineering

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Piping Fabrication & Pipe Installation

Full-service piping installation and support across multiple industries, including expert welding, testing, system integration, and ongoing maintenance to ensure safe, efficient, and reliable operations.

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Millwright / Industrial Mechanical

Comprehensive industrial mechanical services including machinery rebuilds, installation, relocation, repair, alignment, fabrication, and system design for efficient and reliable plant operations.

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Building Solutions

Comprehensive industrial building solutions delivering durable, efficient, and customizable structures tailored to meet complex operational and facility needs.

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Underground Piping

End-to-end underground piping installation for process, utility, storm, and sanitary systems with precise grading and safe excavation. Includes testing, documentation, and ongoing maintenance with seamless site coordination.

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Refractory Services

Onex delivers end-to-end engineering and construction solutions. Including refractory installation, turnkey project management, and value-driven optimization.  Specialties span across heavy industrial sectors like steel, glass, metals, chemicals, and environmental services.

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Architectural Engineering

End-to-end underground piping installation for process, utility, storm, and sanitary systems with precise grading and safe excavation. Includes testing, documentation, and ongoing maintenance with seamless site coordination.

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Structural Steel Fabrication

End-to-end underground piping installation for process, utility, storm, and sanitary systems with precise grading and safe excavation. Includes testing, documentation, and ongoing maintenance with seamless site coordination.

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Piping Fabrication & Pipe Installation

Full-service piping installation and support across multiple industries, including expert welding, testing, system integration, and ongoing maintenance to ensure safe, efficient, and reliable operations.

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Millwright / Industrial Mechanical

Comprehensive industrial mechanical services including machinery rebuilds, installation, relocation, repair, alignment, fabrication, and system design for efficient and reliable plant operations.

Learn More

Building Solutions

Comprehensive industrial building solutions delivering durable, efficient, and customizable structures tailored to meet complex operational and facility needs.

Learn More

Underground Piping

End-to-end underground piping installation for process, utility, storm, and sanitary systems with precise grading and safe excavation. Includes testing, documentation, and ongoing maintenance with seamless site coordination.

Learn More

Why Industry Leaders Choose ONEX

We deliver unmatched expertise, precision, and reliability for enterprise-scale projects.
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  • Billion-dollar project management
  • ISO 9001 certified quality systems
  • LEED Platinum certified projects
  • Advanced BIM & digital construction
  • Multi-site program delivery
  • Turnkey solutions

Partnerships & Certifications

Proud to be partnered with industry leaders and community organizations

Ready to Build Something Extraordinary?

Let's discuss how ONEX can bring your vision to life with precision and excellence.
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