EXHIBIT 21
Microsemi Corporation Subsidiaries
As of November 13, 2014
Name of Microsemi Corporation Subsidiary | Jurisdiction | |
| IDS Acquisition Corp. | Arizona | |
| Microsemi Corp. - Scottsdale | Arizona | |
| Microsemi Corp. - Power Management Group | California | |
| Microsemi Corp. - Power Management Group Holding | California | |
| Microsemi Defense Systems, Inc. | California | |
| Microsemi Real Estate, Inc. | California | |
| Microsemi Semiconductor V.N. Inc. | California | |
| Microsemi SoC Corp. | California | |
| Microsemi Corp. - Colorado | Colorado | |
| Arxan Defense Systems, Inc. | Delaware | |
| Centellax, Inc. | Delaware | |
| Electronic Designs, Inc. | Delaware | |
| Micro Beat, Inc. | Delaware | |
| Micro CML, Inc. | Delaware | |
| Microsemi Corp. - Analog Mixed Signal Group | Delaware | |
| Microsemi Corp. - Massachusetts | Delaware | |
| Microsemi Corp. - Power Products Group | Delaware | |
| Microsemi Corp. - RF Integrated Solutions | Delaware | |
| Microsemi Corp. - RF Power Products | Delaware | |
| Microsemi Corp. - Santa Ana | Delaware | |
| Microsemi Frequency and Time Corporation | Delaware | |
| Microsemi International, Inc. | Delaware | |
| Microsemi Semiconductor (U.S.) Inc. | Delaware | |
| Symmetricom Global Services, Inc. | Delaware | |
| Symmetricom LLC | Delaware | |
| Zulu Acquisition Co., LLC | Delaware | |
| White Electronic Designs Corporation | Indiana | |
| T.S.I. Microelectronics Corp. | Massachusetts | |
| White Electronics / ALI, Inc. | Massachusetts | |
| Microsemi Pan-Asia Corp. | Nevada | |
| PowerDsine, Inc. | New York | |
| Panelview, Inc. | Oregon | |
| Microsemi BMD IP Holding Limited | Bermuda | |
| Microsemi Ireland, Ltd. | Bermuda | |
| Symmetricom Puerto Rico, Ltd. | Bermuda | |
| 0916753 B.C. ULC | Canada | |
| Microsemi Corp. - Holding | Cayman Islands | |
| Microsemi Corp. - Holding 2 | Cayman Islands | |
| Microsemi Corp. - International | Cayman Islands | |
| Beijing Symmetricom Co., Ltd. | China | |
| Shanghai Microsemi Semiconductor Co., Ltd. | China | |
| Microsemi Europe SARL | France | |
| Microsemi Power Module Products, SAS | France | |
| Microsemi GmbH | Germany | |
| Microsemi Semiconductor GmbH | Germany | |
Name of Microsemi Corporation Subsidiary | Jurisdiction | |
| Symmetricom Europe GmbH | Germany | |
| Microsemi (Hong Kong) Ltd. | Hong Kong | |
| Microsemi Pan-Asia Hong Kong Ltd. | Hong Kong | |
| Microsemi Corp. - Semiconductor India Private Ltd. | India | |
| Symmetricom India Private Ltd. | India | |
| Microsemi Ireland Holding Limited | Ireland | |
| Microsemi Ireland Trading, Ltd. | Ireland | |
| Microsemi Semiconductors Ltd. | Ireland | |
| Mingoa Limited | Ireland | |
| Microsemi IOM Limited | Isle of Man | |
| Microsemi IOM Unlimited | Isle of Man | |
| Microsemi Corp. - Analog Mixed Signal Group, Ltd. | Israel | |
| Microsemi Israel, Ltd. | Israel | |
| Microsemi Europe Srl. | Italy | |
| Actel Japan K.K. | Japan | |
| Centellax Japan, LLC | Japan | |
| Microsemi Corp. - Japan K.K. | Japan | |
| Microsemi Irish IP Holding (Lux) Limited | Luxembourg | |
| Microsemi Macao Commercial Offshore Limited | Macau | |
| Microsemi Corp. Mauritius | Mauritius | |
| Microsemi Semiconductor XIC B.V. | Netherlands | |
| Microsemi Semiconductors - Manila (Philippines), Inc. | Philippines | |
| Microsemi Semiconductor (Asia) Pte. Ltd. | Singapore | |
| Microsemi Semiconductor AB | Sweden | |
| Microsemi Europe Ltd. | United Kingdom | |
| Microsemi Semiconductor Holdings Ltd. | United Kingdom | |
| Microsemi Semiconductor Limited | United Kingdom | |
| Symmetricom Ltd. | United Kingdom | |