American Colloid Company:
http://www.colloid.com/

Bentonite Performance Minerals: http://www.bentonite.com/

Church & Dwight Co., Inc.:
(Pet Care Products: http://www.armhammerpets.com/)

Clorox Company:
(Fresh Step: http://www.freshstep.com/)
(Scoop Away: http://www.scoopaway.com/)
(Ever Clean: http://www.everclean.com/)

Federal Industrial Products:
http://www.e-federal.com/

Nestle: (Petcare: http://www.tidycats.com/default_flash.aspx)

Normerica:
http://www.normericainc.com/

Oil-Dri Corporation of America:
http://www.oildri.com/

PROFILE Products:
http://www.profileproducts.com/

Sud-Chemie Adsorbents: http://adsorbents.sud-chemieinc.com/

Wyo-Ben:
http://www.wyoben.com/