Active Minerals International LLC produces and supplies kaolin and attapulgite clay minerals. The firms products include attapulgite, kaolin, acti-gel 208 and acti-plex. It serves adhesives, agriculture, catalyst, ceramics, concrete, drilling, fiberglass, joint compound, paint, roofing and rubber markets. The company was founded by Peter F. Osterchrist and Peter F. Ingeborg in 1964 and is headquartered in Sparks, MD.