EXHIBIT 21
SUBSIDIARIES OF THE REGISTRANT
AS OF AUGUST 24, 2001
Each of the below listed subsidiaries is 100% directly or indirectly owned
by Harris Corporation, except as otherwise indicated.
<Table>
<Caption>
STATE OR OTHER
JURISDICTION
NAME OF SUBSIDIARY OF INCORPORATION
------------------ ----------------
Harris Airport Systems Sdn. Bhd Malaysia
Harris Australia Pty. Ltd. Australia
Harris Automation California
Harris Broadband Wireless Access, Inc. Washington
Harris Canada, Inc. Canada
Harris Cayman, Ltd. Cayman Islands
Harris Comunication Argentina SA Argentina
Harris Communication (Netherlands) BV Netherlands
Harris Communication SA France
Harris Communications GmbH Germany
Harris Communications Austria GmbH Austria
Harris Communications Honduras, S.A. de C.V. Honduras
Harris Communications International, Inc. Delaware
Harris Communications Limited Liability Company Russia
Harris Communications Ltd. Hong Kong
Harris Communications (Shenzhen) Ltd. China
Harris Communications (India) Private Limited India
Harris Controls Australia Limited Australia
Harris Denmark ApS Denmark
Harris Denmark Holding ApS Denmark
Harris do Brasil Limitada Brazil
Harris-Exigent, Inc. Delaware
Harris Foreign Sales Corporation, Inc. Virgin Islands
Harris-Intraplex, Inc. Delaware
Harris Mauritius Limited Mauritius
Harris Pacific, Inc. California
Harris Pension Management Limited England
Harris SA Belgium
Harris S.A. de C.V. Mexico
Harris Semiconductor G.m.b.H Germany
Harris Semiconductor Design & Sales Pte. Ltd. Singapore
Harris Semiconductor Patents, Inc. Delaware
Harris Semiconductor Pte. Ltd. Singapore
Harris Semiconductor (Suzhou) Co., Ltd. China
Harris Solid State (Malaysia) Sdn. Bhd Malaysia
Harris Systems Limited England
Harris Systems LLC Delaware
Harris Technical Services Corporation Delaware
Harris Telecomunicacoes Ltda. Brazil
Harris Three Thousand Limited England
Harris Two Thousand Limited England
American Coastal Insurance Ltd. Bermuda
Anshan Harris Broadcast Equipment Company, Limited China
ARM Harris Communications (India) Pvt. Ltd. India
Audio Broadcast Group, Incorporated Michigan
eXGNT, Inc. Delaware
Exigent Digital Telecom & Wireless Networks, Inc. Delaware
Exigent Software Technology, Inc. Florida
Exigent Solutions Group, Inc. Nevada
Guangzhou Harris Telecommunications Company Ltd. (51%) China
HAL Technologies, Inc. Delaware
</Table>
<Table>
<Caption>
STATE OR OTHER
JURISDICTION
NAME OF SUBSIDIARY OF INCORPORATION
------------------ ----------------
Hebei Far East Communications Co. Ltd. (51%) China
ITIS S.A.R.L. France
LiveTV L.L.C. (46.5%) Delaware
Manatee Investment Corporation Delaware
Maritime Communication Services, Inc. Delaware
VFC Capital, Inc. Delaware
Wallaby Network Services, Inc. Delaware
Worldwide Electronics, Inc. Delaware
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