The CATCO catalyst and environmental solutions are manufactured at AP Emission plant located in the Canada. The names CATCO  and AP emission are used interchangeably. 

CATCO has developed into a global supplier of catalysts, industrial ceramics, environmental technology and currently has customers in more than 40 countries. In the course of its international expansion, the company set up subsidiaries in Canada (CATCO Environmental Inc., Canada) and South Korea (CATCO Korea Co. Ltd., Seoul). In addition, it opened a liaison office in Beijing in 2006. The company currently has more than 400 employees.

CATCO's history as a technical ceramics manufacturer goes back more than 95 years. The company emerged into the promising new SCR catalyst market in 1985 with the introduction of a homogeneous honeycomb catalyst product. Since this time the company has added non-catalytic honeycombs (heat storage media and foundry filters), proprietary SCR diesel catalyst for commercial vehicles, and SCR plate catalyst.

“CATCO is one of the world’s leading producers of industrial honeycomb ceramics.”

The introduction of progressive environmental legislation around the world is a key driver of the CATCO's business activities. The company itself is careful to comply with all environmental legislation, orders and notices. CATCO has been certified according to the EN ISO 9001: 2008, EN ISO 14001: 2004 and ISO/TS 16949: 2009 standards, which form the basis of its integrated occupational health and safety, environment protection, and quality management systems. The environmental management system is the cornerstone of the company´s effort to make responsible use of natural resources and systematically reduce its wastewater, solid waste streams, and atmospheric emissions.