Exhibit 21 SUBSIDIARIES OF THE COMPANY Direct State/Jurisdiction Stock Incorporation Ownership ----------------- --------- The West Company, Incorporated Pennsylvania Parent Co. Paco Pharmaceutical Services, Inc. Delaware 100.0 Paco Packaging, Inc. Delaware 100.0 Paco Technologies, Inc. Delaware 100.0 Paco Laboratories, Inc. Delaware 100.0 Charter Laboratories, Inc. Delaware 100.0 Paco Puerto Rico, Inc. Delaware 100.0 Citation Plastics Co. New Jersey 100.0 The West Company of Puerto Rico, Inc. Delaware 100.0 TWC of Florida, Incorporated Florida 100.0 Senetics, Inc. Colorado 100.0 West International Sales Corporation U.S. Virgin Islands 100.0 The West Company of Delaware, Inc. Delaware 100.0 The West Company de Colombia, S.A. Colombia 52.1 (1) The West Company Holding GmbH Germany 100.0 The West Company Deutschland GmbH Germany 100.0 Pharma-Gummi Beograd Yugoslavia 84.7 (2) The West Company (Custom & Germany 100.0 Specialty Services) GmbH The West Company Danmark A/S Denmark 100.0 The West Company Italia S.R.L. Italy 95.0 (3) The West Company France S.A. France 99.99 (4) The West Company (Mauritius) Ltd. Mauritius 100.0 The West Company (India) Private Ltd. India 100.0 The West Company Group Ltd. England 100.0 The West Company (UK) Ltd. England 100.0 The West Company Hispania S.A. Spain 54.7 (5) The West Company Argentina S.A. Argentina 100.0 The West Company Brasil S.A. Brasil 100.0 The West Company Venezuela C.A. Venezuela 100.0 The West Company Singapore Pty. Ltd. Singapore 100.0 The West Company Australia Pte. Ltd. Australia 100.0 West Company Korea Ltd. Korea 100.0 (1) In addition, 46.16 % is owned directly by The West Company, Incorporated; 1.55% is held in treasury by The West Company de Colombia S.A.. (2) Affilated company accounted for on the cost basis. (3) In addition, 5 % is owned directly by The West Company, Incorporated; (4) In addition, .01% is owned directly by 9 Individual Shareholders. (5) In addition, 27.4% is owned directly by The West Company Holdings GmbH; 17.9% is owned by one shareholder.