EXHIBIT 21.1
List of Subsidiaries

Subsidiary | Jurisdiction of incorporation or organization
Butler Animal Health Supply, LLC (d.b.a. Butler Schein Animal Health Supply) | Delaware
Butler Animal Health Holding Company, LLC1 | Delaware
W.A. Butler Company2 | Delaware
Camlog Holding AG3 | Switzerland
Henry Schein Canada, Inc.4 | Ontario, Canada
Henry Schein Holding GmbH5 | Germany
Henry Schein Europe, Inc.6 | Delaware
Henry Schein Practice Solutions Inc. | Utah

1 Butler Animal Health Holding Company, LLC is the parent, holding company of Butler Animal Health Supply, LLC.
2 W.A. Butler Company owns a majority interest in Butler Animal Health Holding Company, LLC.
3 Camlog Holding AG is the parent, holding company of six consolidated wholly-owned subsidiaries, all of which operate in the dental implant industry outside the United States.
4 Henry Schein Canada, Inc. owns a majority interest in Camlog Holding AG.
5 Henry Schein Holding GmbH is the parent, holding company of 23 consolidated wholly-owned subsidiaries, all of which operate in the dental distribution industry outside the United States.
6 Henry Schein Europe, Inc. is the parent, holding company of Henry Schein Holding GmbH.