Custom Manufacturing is carried out at Gabriel’s 40-acre plant site in Ashtabula, Ohio. The facility is used to manufacture a variety of proprietary custom products and strategically important chemicals for Gabriel’s business. Gabriel Performance Products primarily services the intermediates markets for polymers, adhesives and sealants, and agricultural chemicals, and provides raw materials for the pharmaceuticals market. The facility is ISO 9001:2000 certified and adheres to the Chemstewards Program for health, environmental, and safety quality.