Exhibit 21

AMCOL INTERNATIONAL CORPORATION

SUBSIDIARY LISTING

COMPANY NAME	COUNTRY	STATE	OWNERSHIP %
ADAE Sp. Z O.O.	Poland			100
AMCOLL de Mexico, S.A.	Mexico			100
AMCOL Europe Limited	England			100
AMCOL Health & Beauty Solutions, Incorporated	USA	DE		100
AMCOL International B.V.	Netherlands			100
AMCOL (Holdings) Ltd.	England			100
AMCOL Mauritius	Mauritius			100
AMCOL Minerals Europe Limited	England			100
AMCOL Minerals Madencilik San Ve Tik AS	Turkey			100
AMCOL SP Zoo	Poland			100
AMCOL Holdings Canada Ltd.	Canada	Ontario		100
AMCOL Specialties Holdings, Inc.	USA	DE		100
American Colloid Company	USA	DE		100
Ameri-Co Carriers, Inc.	USA	NE		100
Ameri-Co Logistics, Inc.	USA	NE		100
Ashapura AMCOL N.V.	Netherlands			50
Ashapura Volclay Limited	India			50
Bonmerci Investments 103 (Pty)	South Africa			53
Batlhako Mining Ltd	South Africa			53
CETCO-Bentonit Uniao Tecnologias Ambientais Ltda	Brazil			50
CETCO China Ltd.	China			100
CETCO Contracting Services Company	USA	DE		100
CETCO Czech	Czech Republic			100
CETCO de Brazil Servicios de Construcao Ltda	Brazil			100
CETCO de Brasil Services Productos e de Meio-Abiente Ltd.	Brazil			100
CETCO (Europe) Limited	England			100
CETCO Germany	Germany			100
CETCO Holdings B.V.	Netherlands			100
CETCO Iberia S.L.	Spain			100
CETCO Korea Ltd.	Korea			100
CETCO Netherlans BV	Netherlands			100
CETCO Oilfield Services Pty. Ltd.	Australia			100
CETCO Oilfield Services Asia Ltd.	Malaysia			100
CETCO Oilfield Services Company	USA	DE		100
CETCO Oilfield Services Malaysia Sdn. Bhd.	Malaysia			49
CETCO Oilfield Services Nigeria Limited	Nigeria			100
CETCO-POLAND Sp. z o.o	Poland			100
CETCO Sp, z.o.o.	Poland			100
CETCO Technologies (Suzhou) Co. Ltd.	China			100
Colloid Environmental Technologies Company	USA	DE		100
CVE CETCO Latino America Limitada	Chile			100
Ingeniería y Construcción Cetco Limitada	Chile			99.9
Intergeo Services LLC	USA	PA		100
Lafayette Well Testing, Inc.	USA	LA		100
Linteco Iberia S.L.	Spain			100
Maprid Tech Cast, S.A. de C.V.	Mexico			49
Montana Minerals Development Company	USA	MT		100
Nanocor, Inc.	USA	DE		100
Nanocor, Ltd.	England			100

Continued… 

COMPANY NAME	COUNTRY	STATE	OWNERSHIP %
Volclay DongMing Industrial Minerals Co., Ltd.	China			100
Volclay International Corporation	USA	DE		100
Volclay Japan Co. Ltd.	Japan			50
Volclay Korea Ltd.	Korea			100
Volclay MinChem  (Jianping) Co. Ltd.	China			100
Volclay International Pty Ltd	Australia			100
Volclay (Tianjin) Industrial Minerals Co., Ltd.	China			100
Volclay Siam Ltd.	Thailand			100
Volclay South Africa (Proprietary) Limited	South Africa			90
Volclay Trading (Proprietary) Limited	South Africa			100
Volclay Tianyu	China			80