Document
Exhibit 21
KOPPERS HOLDINGS INC.
SUBSIDIARIES OF THE COMPANY
| Name* | Jurisdiction of Incorporation/Formation | ||||
| Koppers Inc. | Pennsylvania | ||||
| Cox Wood of Alabama, LLC | Alabama | ||||
| Koppers Delaware, Inc. | Delaware | ||||
| Koppers World-Wide Ventures Corporation | Delaware | ||||
| Koppers Ventures Inc. | Delaware | ||||
| Koppers Recovery Resources LLC | Kansas | ||||
| Koppers Performance Chemicals Inc. | New York | ||||
| Koppers Carbon Materials LLC | Pennsylvania | ||||
| Koppers Utility Services LLC | Pennsylvania | ||||
| Carolina Pole Leland, Inc. | North Carolina | ||||
| Cove City Wood Preserving, Inc. | North Carolina | ||||
| Leland Land, LLC | North Carolina | ||||
| Structural Woods Preserving Company | North Carolina | ||||
| Atlantic Pole-Georgia, LLC | South Carolina | ||||
| Atlantic Pole-Virginia, LLC | South Carolina | ||||
| Carolina Pole, Inc. | South Carolina | ||||
| Koppers Recovery Resources LLC | South Carolina | ||||
| Cox Wood Preserving Company | South Carolina | ||||
| Koppers Utility and Industrial Products Inc. | South Carolina | ||||
| North-South Wood Preserving Company, Inc. | South Carolina | ||||
| Ruby’s Corner, LLC | South Carolina | ||||
| Sustainable Management Systems, LLC | South Carolina | ||||
| Sweetwater Wood Holdings, LLC | South Carolina | ||||
| Continental Carbon Australia Pty Ltd | Australia | ||||
| Koppers Australia Holding Company Pty Ltd | Australia | ||||
| Koppers Australia Pty Limited | Australia | ||||
| Koppers Carbon Materials & Chemicals Pty Ltd | Australia | ||||
| Koppers Wood Products Pty Ltd | Australia | ||||
| Koppers Ashcroft Inc. | British Columbia, Canada | ||||
| Koppers (China) Carbon & Chemical Company Limited | Peoples Republic of China | ||||
| Koppers (Tianjin) Trading Co., Ltd. | Peoples Republic of China | ||||
| Koppers Mauritius | Republic of Mauritius | ||||
| Koppers Europe ApS | Denmark | ||||
| Koppers Denmark ApS | Denmark | ||||
| Koppers European Holdings ApS | Denmark | ||||
| Koppers Tar Tech International ApS | Denmark | ||||
| Koppers International B.V. | Netherlands | ||||
| Koppers Global B.V. | Netherlands | ||||
| Koppers Australasian B.V. | Netherlands | ||||
| Koppers UK Holding Limited | United Kingdom | ||||
| Koppers UK Limited | United Kingdom | ||||
Exhibit 21
| Koppers UK Transport Limited | United Kingdom | ||||
| Koppers UK Investment Ltd. | United Kingdom | ||||
| Wood Protection Management LLC | Nevada | ||||
| Wood Protection LP | Texas | ||||
| Koppers-Nevada Limited Liability Company | Nevada | ||||
| Timber Specialties Limited | Ontario, Canada | ||||
| Protim Solignum Ltd. | United Kingdom | ||||
| Protim Ltd. | Ireland | ||||
| Koppers Sweden AB | Sweden | ||||
| Koppers Performance Chemicals Denmark ApS | Denmark | ||||
| Oy Koppers Finland Ab | Finland | ||||
| Koppers Deutschland GmbH | Germany | ||||
| Koppers Norway AS | Norway | ||||
| Koppers Latvia SIA | Latvia | ||||
| Koppers Performance Chemicals Australia Pty Ltd | Australia | ||||
| Koppers Performance Chemicals New Zealand Limited | New Zealand | ||||
| Koppers Thailand Ltd. | Thailand | ||||
| Comercial KPC Chile Limitada | Chile | ||||
| Koppers Performance Chemicals Brasil Comercio de Preservantes Ltda. | Brazil | ||||
| Koppers NZ Holdings Limited | New Zealand | ||||