Exhibit 21.1

List of Subsidiaries

Entity’s name for conducting business                                  Jurisdiction of incorporation

Aesynt Holding Cooperatief U.A.                               Netherlands

Aesynt Holding B.V.                        Netherlands                    

Aesynt B.V.                            Netherlands

Aesynt, Inc.                            United States

Ateb, Inc.                                                                        United States

Ateb Canada Ltd.                                                             Canada

Avantec Healthcare Ltd.                                             United Kingdom

Health Robotics S.r.l.                        Italy

Mach 4 Automatisierungs technik, GmbH                        Federal Republic of Germany

MedPak Holdings, Inc.                                                     United States

MTS Medication Technologies, Inc.                                      United States

MTS Packing Systems, Inc.                                            United States

Omnicell GmbH                                                                Federal Republic of Germany

Omnicell Ltd.                                                              United Kingdom

Omnicell International, Inc.                                     United States