EX-21.1 2 d382954dex211.htm EX-21.1

Exhibit 21.1

SUBSIDIARIES OF PQ GROUP HOLDINGS INC.

ENTITY |  | JURISDICTION
PQ Group Holdings Inc. |  | Delaware
PQ Holdings Inc. |  | Delaware
CPQ Midco I Corporation |  | Delaware
PQ Corporation |  | Pennsylvania
PQ Holdings I Limited |  | United Kingdom
PQ Intermediate Limited |  | United Kingdom
PQ Germany GmbH |  | Germany
PT PQ Silicas Indonesia |  | Indonesia
PQ Sweden A.B. |  | Sweden
PQ Finland Oy |  | Finland
PQ Silicas Holdings South Africa Pty Ltd. |  | South Africa
PQ Silicas South Africa Pty Ltd. |  | South Africa
Quaker Chemicals South Africa Pty Ltd.1 |  | South Africa
PQ International Holdings Inc. |  | Delaware
PQ Netherlands Holding LLC |  | Delaware
Potters International Holdings S.à.r.l. |  | Luxembourg
Potters Leveraged Lender LLC |  | Delaware
PQ Silicas Asia Pacific Pte Ltd. |  | Singapore
PQ Silicates Ltd.2 |  | Taiwan
PQ International C.V. |  | Netherlands
PQ Netherlands Cooperative LLC |  | Delaware
PQ International Coöperatie U.A. |  | Netherlands
PQ Silicas Brazil Ltda. |  | Brazil
PQ Acquisition B.V. |  | Netherlands
PQ Canada Company |  | Canada
PQ Australia LLC |  | Delaware
NSL Australia Company |  | Canada
NSL Canada Company |  | Canada
National Silicates Partnership |  | Canada
PQ Europe Coöperatie U.A. |  | Netherlands
PQ Europe ApS |  | Denmark
PQ Silicas B.V. |  | Netherlands
PQ Zeolites B.V. |  | Netherlands
Zeolyst C.V.3 |  | Netherlands
PQ Italy S.r.l. |  | Italy
PQ France S.A.S. |  | France
PQ Silicas UK Limited |  | United Kingdom
PQ Chemicals (Thailand) Limited |  | Thailand
PQ Holdings Mexicana, S.A. de C.V.4 |  | Mexico
Silicatos y Derivados, S.A. de C.V. |  | Mexico
PQ China (Hong Kong) Limited |  | Hong Kong
PQ (Tianjin) Silicates Technology Co., Ltd |  | China
PQ Holdings Australia Pty Limited |  | Canada

1 | Represents a joint venture company of which the registrant indirectly owns 49% of the voting equity.

2 | Represents a joint venture company of which the registrant indirectly owns 50% of the voting equity.

3 | Represents a joint venture company of which the registrant indirectly owns 50% of the voting equity.

4 | Represents a joint venture company of which the registrant indirectly owns 80% of the voting equity.

PQ Australia Pty. Limited |  | Australia
PQ Mexico Holdings B.V. |  | Netherlands
PQ Mexico S. de R.L. de C.V. |  | Mexico
Zeolyst International5 |  | Kansas
Eco Services Operations Corp. |  | Delaware
PQ Asia Inc. |  | Delaware
Potters Netherlands Holding LLC |  | Delaware
Potters Netherlands Holdings I C.V. |  | Netherlands
Potters Netherlands Holdings II B.V. |  | Netherlands
Sovitec Mondial S.A. |  | Belgium
Sovitec International B.V. |  | Netherlands
Sovitec Belgium S.A. |  | Belgium
Beads Belgium S.A. |  | Belgium
Glass Beads S.A. |  | Argentina
Sovitec Iberica, S.A. |  | Spain
Sovitec France S.A.S. |  | France
Delpen Corporation |  | Delaware
Commercial Research Associates, Inc. |  | Pennsylvania
PQ Systems Incorporated |  | Pennsylvania
PQ Export Company |  | Delaware
PQ International, Inc. |  | Pennsylvania
Philadelphia Quartz Company |  | Pennsylvania
Potters Holdings GP, Ltd. |  | Cayman Islands
Potters Holdings, LP |  | Cayman Islands
Potters Holdings II GP, LLC |  | Delaware
Potters Holdings II, LP |  | Delaware
Potters Industries Holding, Inc. |  | Delaware
Potters Industries, LLC |  | Delaware
SAJB Holding Company, LLC |  | Delaware
Potters Ballotini S.A.S. |  | France
Societe Recyclage Produit Verrier Industriels SAS |  | France
Interminglass Sp. Z.o.o. |  | Poland
Interminglass Holding Sp. z.o.o. |  | Poland
Potters (Thailand) Limited6 |  | Thailand
Potters Industries Acquisition Pty. Ltd. |  | Australia
Potters Industries Pty. Ltd. |  | Australia
Potters Industrial Limitada |  | Brazil
Potters Canada Holding Company |  | Canada
Potters Canada Holding II Company |  | Canada
PNA Partnership |  | Canada
Potters-Ballotini Co., Ltd. |  | Japan
Potters Nederland B.V. |  | Netherlands
Ballotini Panamericana S. de R.L. de C.V. |  | Mexico
Potters Ballotini Acquisition GmbH |  | Germany
Potters Ballotini GmbH |  | Germany
Potters Ballotini Ltd. |  | United Kingdom
Northern Cullet Ltd. |  | United Kingdom

5 | Represents a joint venture company of which the registrant indirectly owns 50% of the voting equity.

6 | Represents a joint venture company of which the registrant indirectly owns approximately 75% of the voting equity.