EX-21.1 6 ex21-1.txt SUBSIDIARIES OF THE COMPANY 1 Exhibit 21.1 SUBSIDIARIES OF THE COMPANY
NAME LOCATION STATE OF ---- -------- INCORPORATION ------------- Advanced Communications Corporation Columbia, South Carolina, USA South Carolina Advanced Network Technologies, Inc. Victorville, California, USA California Allcom Electric, Inc. New York City, New York, USA New York American Telephone Wiring Company Charleston, West Virginia, USA West Virginia Associated Network Solutions, Inc. St. Petersburg, Florida, USA Florida ATIMCO Network Services, Inc. Pittsburgh, Pennsylvania, USA Pennsylvania A.T.S., Inc. Huntington, West Virginia, USA West Virginia BBox Holding Company Wilmington, Delaware, USA Delaware BB Technologies, Inc. Wilmington, Delaware, USA Delaware Black Box Corporation of Pennsylvania Lawrence, Pennsylvania, USA Delaware Black Box Network Services Baltimore, Inc. Columbia, Maryland, USA Delaware Black Box Network Services Greater Pittsburgh, Inc. Cranberry, Pennsylvania, USA Delaware Black Box Network Services, Inc. - Government Solutions Murfreesboro, Tennessee, USA Tennessee Business Communication Concepts, Inc. Sterling, Virginia, USA Virginia Cable Consultants, Incorporated Atlanta, Georgia, USA Georgia Cabling Concepts, Inc. Lakewood, Ohio, USA Ohio Comm Line, Inc. Cincinnati, Ohio, USA Ohio Communication Contractors, Inc. Chicago, Illinois, USA Illinois DataCom-Link, Inc. Indianapolis, Indiana, USA Indiana Delaney Electrical Services, Inc. Philadelphia, Pennsylvania, USA Pennsylvania Delaney Telecom, Inc. Philadelphia, Pennsylvania, USA Pennsylvania GMCI NetComm, Inc. Dallas, Texas, USA Texas Jet Line Communications, Inc. Dallas, Texas, USA Texas K&A Communications, Inc. St. Louis, Missouri, USA Missouri Koncepts Communications of L.I., Corp. Westbury, New York, USA New York Midwest Communications Technologies, Inc. Columbus, Ohio, USA Ohio Parrish Communication Cabling, Inc. Seattle, Washington, USA Washington R&D Services, Inc. Westboro, Massachusetts, USA Massachusetts ST Communications and Cabling, Inc. Kansas City, Missouri, USA Missouri Teldata Corporation Nashville, Tennessee, USA Tennessee Todd Communications, Inc. Winston-Salem, North Carolina, USA North Carolina U.S. Premise Networking Services, LLC Minneapolis, Minnesota, USA Minnesota U.S. Premise Networking Services, Inc. Minneapolis, Minnesota, USA Minnesota Alpeco Puerto Rico, Inc. San Juan, Puerto Rico Black Box Catalog Australia Pty. Ltd. Croydon VIC, Australia
2 Black Box Canada Corporation Ontario, Canada Black Box Catalog New Zealand Limited Wellington, New Zealand Black Box Catalogue, Ltd. Reading, England Black Box Communication SANV Zaventum, Belgium Black Box Comunicaciones, SA Madrid, Spain Black Box Datacom, B.V. Utrecht, Netherlands Black Box de Mexico, S.A. de C.V. Mexico City, Mexico Black Box Deutschland GmbH Munich, Germany Black Box do Brazil Industria e Comercio Ltda. Sao Paulo, Brazil Black Box France, S.A. Rungis, France Black Box Foreign Sales Corporation St. Thomas, U.S.V.I. Black Box Italia, SpA Vimodrone, Italy Black Box Japan Kabushiki Kaisha Tokyo, Japan Blue Box, B.V Hoofdorp, Holland Datacom Black Box Services AG Altendorf, Switzerland Datacom Black Box Holding, AG Zug, Switzerland Datech Holdings Limited Nottingham, England Indacom N.V. Mechelen, Belgium Ohmega Installations Limited Newbury, Berkshire, England South Hills Datacomm Chile, S.A. Santiago, Chile