Onex Construction

Onex Construction was founded in 1996 as a specialized refractory contractor focused on quality craftsmanship and dependable service. In 2012, Onex expanded with the addition of an Industrial Mechanical Division, broadening its ability to support larger industrial projects. Refractory engineering and construction remain central to the business, serving customers in steel manufacturing, glass, non-ferrous metals, chemical processing, and environmental services. Onex provides turnkey construction, engineering support, and project management for customers requiring refractory work integrated with broader industrial construction activities.