Diatomaceous Earth Mining in CA

World Minerals Inc

130 Castilian Drive , 93117
Phone: (805) 562-0200

Celite Corp

137 W Central Avenue , 93436
Phone: (805) 735-7791

Grefco Minerals Inc

Highway 1 & Highway 246 , 93436
Phone: No number given

Imerys Filtration Minerals Inc

1732 North 1st St # 450 , 95112
Phone: (800) 893-4445