Normerica International Corporation
Normerica is a Canada-based company that manufactures and supplies pet care products such as cat litter and dog treats for the commercial market.
Sivomatic is a Netherland-based manufacturer and distributor of mineral cat litter including calcium silicate, attapulgite, sepiolite, alganite and silica gel.
Amcol International Corp
AMCOL International engages in the development and application of minerals and technology products and services.