YOUR FURNACE
PERFORMANCE PARTNER
EST. 1966 | ERIE + PITTSBURGH, PA
We engineer, build, and maintain high-performance thermal systems that power productivity for US Steel, Aluminum, Titanium, Nickel, and other specialty metals manufacturers.
Integrated Solutions. Engineered for Performance.
One partner. Total accountability across every part of your furnace system.
Engineering. Construction. Service. One Accountable Partner.
For over 60 years, Onex has helped manufacturers improve furnace performance through engineering, refractory construction, combustion expertise, materials, and responsive field service. Onex unites all these services and solutions under one experienced team. The result is simpler coordination, clearer accountability, and solutions designed around the performance of your entire furnace system.
Recognized as a leading EOSP Company by INC. Magazine, our employee ownership creates a culture where accountability extends beyond completing a project. Every employee has a direct stake in the company's long-term success, fostering pride in workmanship, ownership of outcomes, and a commitment to continuous improvement.
-
Industrial Furnace Manufacturing and Combustion Services
From furnace controls upgrades, automation integration, system retrofits, troubleshooting, staff training, code compliance, and inspections, we’re here to help.
-
New Refractory Construction & Furnace Relining or Retrofitting
Refractory linings need to be expertly installed to meet your specific requirements. Our refractory construction teams are trained in all refractory materials and material installation methods.
-
Precast Refractory Shapes and Contract Manufacturing
We represent the industry’s best refractory material manufacturers, which provides our customers with a portfolio of products suitable for the most demanding applications.
-
Materials and Spare Parts Procurement & Distribution
Selecting the most suitable materials and spare parts for your application is a big task. Tell us your specifications and we will keep your heat-intensive operations aflame.
WHERE OWNERSHIP DRIVES PERFORMANCE
Onex, Inc. is 100% employee-owned. It shapes how we approach every customer, every decision, and every furnace system.
Each employee has a direct stake in the company's long-term success. That shared investment builds a culture of accountability, pride in workmanship, collaboration, and continuous improvement.