Rio Claro Environmental (RCE) is an engineering company located in Ancaster, Ontario. It was created in 2007 to provide environmental services and technology transfer to Companies and Agencies, worldwide. The Company's Research and Development Branch is dedicated to the development of technologies using renewable sources of energy.

The main areas of expertise and services include engineering and environmental consulting in the areas of Persistent Organic Pollutants (POPs) (Stockholm Convention), Commissioning and Operation of POPs destruction facilities, De-contamination of facilities and Secondary Containment Systems, Industrial Treatment Plants and Optimization of industrial processes.