O'Brien Industrial Holdings, LLC (OIH) is the holding company for the Christy family of companies which share a common Mission and Values.

 

The Christy family of companies include:

Christy Catalytics, LLC (CATCO) is the premier supplier of ceramic balls and alumina balls to over 40 countries for adsorbent and catalyst bed supports as well as mass transfer media for the hydrocarbon and chemical processing industries.

Christy Industrial Services LLC (CIS), is engaged in the installation of refractory products for all types of industries. CIS specializes in shotcreting refractory materials in coal fired power generating stations.

Christy Minerals Company LLC (CMC), is engaged in exploration, mining and processing of refractory and ceramic raw materials.

The Christy Refractories Company, L.L.C. (CRC), is engaged in manufacturing and distributing refractory and insulating products.