EX-21.1 3 l22917aexv21w1.htm EX-21.1 EX-21.1
 

Exhibit 21.1
SUBSIDIARIES OF THE REGISTRANT
         
        State or Other
        Jurisdiction of
        Incorporation or
Legal Name   Doing Business As   Organization
 
       
Black Box Corporation
  Black Box Corporation   Delaware
 
       
BBox Holding Company
  BBox Holding Company   Delaware
 
       
Advanced Communications Corporation
  Black Box Network Services — South Carolina   South Carolina
 
       
Advanced Network Technologies, Inc.
  Black Box Network Services — California   California
 
       
American Telephone Wiring Company
  Black Box Network Services — West Virginia Operations   West Virginia
 
       
Atimco Network Services, Inc.
  Black Box Network Services — Western Pennsylvania   Pennsylvania
 
     Operations    
 
       
Black Box Corporation of Pennsylvania
  Black Box Corporation of Pennsylvania   Delaware
 
  Black Box Network Services    
 
       
BB Technologies, Inc.
  BB Technologies, Inc.   Delaware
 
       
Black Box A/S
  Black Box A/S   Denmark
 
       
Black Box Canada Corporation
  Black Box Canada Corporation   Canada
 
       
Black Box Chile S.A.
  Black Box Chile S.A.   Chile
 
       
Black Box Comunicaciones S.A.
  Black Box Comunicaciones S.A.   Spain
 
       
Black Box Datacom B.V.
  Black Box Datacom B.V.   Netherlands
 
       
Black Box de Mexico, S.A. de C.V.
  Black Box de Mexico, S.A. de C.V.   Mexico
 
       
Black Box Deutschland GmbH
  Black Box Deutschland GmbH   Germany
 
       
Black Box Netzwerk Services Bayern GmbH
  Black Box Netzwerk Services Bayern GmbH   Germany
 
       
Black Box Netzwerk Services Stuttgart GmbH
  Black Box Netzwerk Services Stuttgart GmbH   Germany
 
       
Black Box do Brasil Industria e Comercio Ltda.
  Black Box do Brasil Industria e Comercio Ltda.   Brazil
 
       
Black Box Foreign Sales Corporation
  Black Box Foreign Sales Corporation   U.S. Virgin Islands
 
       
Black Box France, S.A.S.
  Black Box France, S.A.S.   France
 
       
Black Box Services Reseaux Ile De France SAS
  Black Box Services Reseaux Ile De France SAS   France
 
       
Black Box GmbH
  Black Box GmbH   Austria

 


 

         
        State or Other
        Jurisdiction of
        Incorporation or
Legal Name   Doing Business As   Organization
 
       
Black Box Holdings Australia Pty. Ltd.
  Black Box Holdings Australia Pty. Ltd.   Australia
 
       
Black Box Italia S.r.l.
  Black Box Italia S.r.l.   Italy
 
       
Black Box Network Products NV
  Black Box Network Products NV   Belgium
 
       
Black Box Network Cabling NV
  Black Box Network Cabling NV   Belgium
 
       
Black Box Network Design NV
  Black Box Network Design NV   Belgium
 
       
Black Box Network Services AG
  Black Box Network Services AG   Switzerland
 
       
Black Box Network Services Australia Pty Ltd.
  Black Box Network Services Australia Pty Ltd.   Australia
 
       
Black Box Network Services New Zealand Limited
  Black Box Network Services New Zealand
  Limited
  New Zealand
 
       
Black Box Network Services Kabushiki Kaisha
  Black Box Network Services Kabushiki Kaisha   Japan
 
       
Black Box P.R. Corp.
  Black Box P.R. Corp.   Puerto Rico
 
       
Black Box Network and Electrical Services, Inc.
  Black Box Network and Electrical Services, Inc.   New York
 
  Allcom Electric    
 
       
Black Box Network Services, Inc. — Government
  Black Box Network Services, Inc. — Government   Tennessee
Solutions
     Solutions    
 
       
Cable Consultants, Incorporated
  Black Box Network Services — Atlanta   Georgia
 
       
Comm Line, Inc.
  Black Box Network Services   Ohio
 
       
Communication Contractors, Inc.
  Black Box Network Services — Chicago   Illinois
 
       
Datel Communications, Inc.
  Black Box Network Services — Arizona   Arizona
 
       
Delaney Telecom, Inc.
  Black Box Network Services   Pennsylvania
 
       
DESIGNet, Inc.
  Black Box Network Services — San Jose   California
 
       
Integrated Cabling Systems, Inc.
  Black Box Network Services — Nebraska   Nebraska
 
       
Jet Line Communications, Inc.
  Black Box Network Services — Dallas   Texas
 
       
BBC Acquisition, LLC
  BBC Acquisition, LLC   Texas
 
       
FBS Communications, L.P.
  Black Box Network Services — San Antonio   Texas

2


 

         
        State or Other
        Jurisdiction of
        Incorporation or
Legal Name   Doing Business As   Organization
 
       
K & A Communications, Inc.
  Black Box Network Services   Missouri
 
       
Koncepts Communications of L.I., Corp.
  Black Box Network Services — Tristate Operations   New York
 
       
Michael Electric, Inc.
  Black Box Network Services — New Jersey   New Jersey
 
       
Midwest Communications Technologies, Inc.
  Black Box Network Services   Ohio
 
       
Midwest Electronics and Communications, Inc.
  Black Box Network Services — Denver Operations   Colorado
 
       
R & D Services, Inc.
  Black Box Network Services   Massachusetts
 
  Black Box Network Services — New England    
 
       
ST Communications & Cabling, Incorporated
  Black Box Network Services — Kansas City   Missouri
 
  Black Box Network Services — Iowa    
 
       
Teldata Corporation
  Black Box Network Services — Tennessee   Tennessee
 
       
Telefuture Communications Ltd.
  Black Box Network Services — New Rochelle Office   New York
 
       
Todd Communications, Inc.
  Black Box Network Services — North Carolina   North Carolina
 
       
U.S. Premise Networking Services, Inc.
  Black Box Network Services — MN   Minnesota
 
       
Black Box AB
  Black Box AB   Sweden
 
       
Black Box Finland OY
  Black Box Finland OY   Finland
 
       
Black Box Network Services AB
  Black Box Network Services AB   Sweden
 
       
Black Box Network Services Corporation
  Black Box Network Services Corporation   Taiwan
 
       
Black Box Network Services (Dublin) Ltd.
  Black Box Network Services (Dublin) Ltd.   Ireland
 
       
Black Box Network Services Gouda BV
  Black Box Network Services Gouda BV   Netherlands
 
       
Black Box Network Services NW AG
  Black Box Network Services NW AG   Switzerland
 
       
Black Box Network Services Puebla S.A. de C.V.
  Black Box Network Services Puebla S.A. de C.V.   Mexico
 
       
Black Box Network Services Reseaux Mediterranee
SAS
 
Black Box Network Services Reseaux
Mediterranee SAS
  France
 
       
Black Box Network Services s.r.l.
  Black Box Network Services s.r.l.   Italy
 
       
Black Box Network Services SDN. BHD.
  Black Box Network Services SDN. BHD.   Malaysia

3


 

         
        State or Other
        Jurisdiction of
        Incorporation or
Legal Name   Doing Business As   Organization
 
       
Black Box Network Services Singapore Pte Ltd.
  Black Box Network Services Singapore Pte Ltd.   Singapore
 
       
Black Box Network Services (UK) Ltd.
  Black Box Network Services (UK) Ltd.   England
 
  Black Box Network Services (UK) Ltd. —    
 
      Northern Ireland    
 
       
Black Box Norge AS
  Black Box Norge AS   Norway
 
       
Consultoria en Redes, S.A. de C.V.
  Consultoria en Redes, S.A. de C.V.   Mexico
 
       
JC Informatica Integral, S.A. de C.V.
  JC Informatica Integral, S.A. de C.V.   Mexico
 
       
Lanetwork Sales Ltd.
  Black Box Network Services — Ajax Operations   Canada
 
 
Black Box Network Services — Kitchener
Operations
   
 
       
Norstan, Inc.
  Black Box Network Services   Minnesota
 
       
Norstan Communications, Inc.
  Black Box Network Services   Minnesota
 
       
NextiraOne, LLC
  Black Box Network Services   Delaware
 
       
Data Communications 2000, Inc.
  Data Communications 2000, Inc.   California
 
       
Milgo Holdings Canada, LLC
  Milgo Holdings Canada, LLC   Delaware
 
       
NextiraOne Canada ULC
  NextiraOne Canada ULC   Canada
 
       
NextiraOne California L.P.
  NextiraOne California L.P.   California
 
       
NXO Installation, LLC
  NXO Installation, LLC   Delaware
 
       
NextiraOne Federal, LLC
  Black Box Network Services   Delaware
 
       
NextiraOne New York, LLC
  Black Box Network Services   Delaware
 
       
Vibes Technologies, Inc.
  Black Box Resale Services   Minnesota
 
       
Norstan International, Inc.
  Norstan International, Inc.   Minnesota
 
       
Norstan Canada Inc.
  Norstan Canada Inc.   Minnesota
 
       
Norstan Canada, Ltd.
  Black Box Network Services   Canada
 
       
Norstan Financial Services, Inc.
  Norstan Financial Services, Inc.   Minnesota
 
       
Nortech Telecommunications Inc.
  Nortech Telecommunications Inc.   Illinois
 
       

4


 

         
        State or Other
        Jurisdiction of
        Incorporation or
Legal Name   Doing Business As   Organization
 
       
Nu-Vision Technologies, Inc.
  Black Box Network Services   New York
 
       
Nu-Vision Technologies, LLC
  Black Box Network Services   New York
 
       

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