excellence innovation in Industrial Refractory Construction Our History Onex's roots date to 1966, when the company was a regional specialty refractory supplier and installer. The company grew into a worldwide technology leader in supplying state-of-the-art refractories, high-temp insulation, and en...

excellence innovation in Industrial Refractory Construction Welcome to Onex Onex is ... where precision meets invention. Solutions are simple and effective. Efficiency and safety are maximized. Onex is a global industrial refractory contractor, project manager, and material supplier. Contemporary de...

excellence innovation in Industrial Refractory Construction Onex Success Onex is delivering solutions and solving problems within many industries. Click on the links below to read about several of our successful endeavors over the last few years. Contact us today at 330.995.9015 or info@onexconstruc...

excellence innovation in Industrial Refractory Construction Full Service Maintenance Onex offers comprehensive maintenance programs to protect your investments. We continue to expand our role with each valued client, with the goal to become a "Complete Source for Refractory and Industrial Constructi...

excellence innovation in Industrial Refractory Construction Engineering Onex is a solutions provider. Our management team has nearly 150 years of combined engineering experience in problem solving and productivity enhancement. We pride ourselves on being creative engineers ... not labor brokers. Our...