1
Exhibit 21.1
SUBSIDIARIES OF THE COMPANY
STATE OF
NAME DOING BUSINESS AS INCORPORATION
---- ----------------- --------------
Black Box Corporation
ATIMCO Network Services, Inc. Black Box Network Services - Western Pennsylvania Pennsylvania
American Telephone Wiring Company Black Box Network Services - West Virginia West Virginia
Midwest Communications Technologies, Inc. Black Box Network Services Ohio
Associated Network Solutions, Inc. Black Box Network Services - Central Florida Florida
Advanced Communications Corporation Black Box Network Services - South Carolina South Carolina
Ohmega Installations Limited
Cable Consultants, Incorporated Black Box Network Services - Atlanta Georgia
Todd Communications, Inc. Black Box Network Services - North Carolina North Carolina
Comm Line, Inc. Black Box Network Services Ohio
Business Communication Concepts, Inc. Black Box Network Services - Washington, D.C. Virginia
Koncepts Communications of L.I., Corp. Black Box Network Services - Tri-State New York
Communication Contractors, Inc. Black Box Network Services - Chicago Illinois
DataCom-Link, Inc. Black Box Network Services - Indiana Indiana
U.S. Premise Networking Services, Inc. Black Box Network Services - Minnesota Minnesota
Datech Holdings Limited
Black Box Network Services, Inc. -
Government Solutions Tennessee
R&D Services, Inc. Black Box Network Services Massachusetts
Delaney Telecom, Inc. Black Box Network Services - Philadelphia Pennsylvania
Delaney Electrical Services, Inc. Black Box Network Services - Philadelphia Pennsylvania
K&A Communications, Inc. Missouri
Jet Line Communications, Inc. Black Box Network Services - Dallas Texas
FBS Communications, LP Black Box Network Services - San Antonio Texas
A.T.S., Inc. Black Box Network Services - Huntington West Virginia
Advanced Network Technologies, Inc. Black Box Network Services - California California
Teldata Corporation Black Box Network Services - Tennessee Tennessee
ST Communications & Cabling, Inc. Black Box Network Services - Kansas City Missouri
Black Box Network Services & Electrical, Inc. New York
Black Box Network Services Baltimore, Inc. Delaware
Black Box Network Services Greater
Pittsburgh, Inc. Delaware
Datel Communications, Inc. Black Box Network Services - Arizona Arizona
Data Specialties Europe Ltd.
Midwest Electronics and Communications, Inc. Black Box Network Services - Denver Colorado
Duracom, Inc. Black Box Network Services - Seattle Washington
Black Box Network Services - Oregon
Clear Communications, Inc. Washington
Person-to-Person Communications, Inc. Virginia
Orchard Network Solutions Ltd.
Societe Industrielle de Telephonie,
Alarme et Video
2
Netcabling B.V.
Bernhard Merz AG.
Universal Connections, Incorporated Indiana
Michael Electric, Inc. Black Box Network Services - New Jersey New Jersey
Haddad Electronic Supply, Inc. Massachusetts
Integrated Cabling Systems, Inc. Black Box Network Services - Nebraska Nebraska
Computer Cables and Accessories Ltd.
Vivid Communications, Inc. Maryland
DESIGNet, Inc. California
J.C. Informatica Integral,
Consultoria en Redes S.A. de C.V.
and SIC Comunicaciones S.A. de C.V.
LJL Telephone and Communication, Inc. Massachusetts
Bbox Holding Company Delaware
Black Box Corporation of Pennsylvania Delaware
Black Box Catalogue, Ltd.
Black Box Canada Corporation
Black Box Foreign Sales Corporation
Black Box France, S.A.
Black Box Datacom, B.V.
Black Box Communication SANV
Indacom N.V.
Blue Box, B.V.
Ascor bvba
BB Technologies, Inc. Delaware
Datacom Black Box Services AG
Black Box Deutschland GmbH
Black Box Italia, SpA
Black Box Japan Kabushiki Kaisha
Black Box Catalog Australia Pty. Ltd.
Black Box Catalog New Zealand Limited
Black Box do Brazil Industria e Comercio Ltda.
Black Box de Mexico, S.A. de C.V.
Alpeco Puerto Rico, Inc.
South Hills Datacomm Chile, S.A.
Black Box Comunicaciones, SA
Schoeller Connectivity Gmbh
Black Box Norge AS
Black Box Finland OY
Black Box Sverige AB