Exhibit 21
ARRIS Group Inc. & Subsidiaries
| ARRIS Group Inc., (Delaware), stock is publicly traded |
| ARRIS Solutions, Inc., (Delaware) |
| C-COR Incorporated, (Delaware) |
| Broadband Management Solutions LLC |
| C-COR Solutions Pvt. Ltd. (India, dormant) |
| ARRIS Group Canada, Inc |
| Worldbridge Broadband Services S. de R.L. e C.V. (Mexico, dormant) |
| ARRIS Group de Mexico S.A. de C.V. (Mexico) |
| ARRIS Group Europe Holding B.V. (Netherlands) |
| ARRIS Group B.V. (Netherlands) |
| ARRIS Group B.V. France Branch |
| ARRIS Group B.V. U.K. Branch |
| ARRIS Germany GmbH (Germany) |
| ARRIS International Iberica S.L. (Spain) |
| ARRIS International Iberica S.L. Portugal Branch |
| C-COR Argentina S.R.L. |
| Texscan Corporation, (Nevada) — dormant |
| ANTEC International Corporation (Barbados) — dormant |
| Electronic Connector Corp. of Illinois, (Illinois) |
| Power Guard, Inc., (Illinois) — dormant |
| ARRIS Korea, Inc., (Delaware) |
| ARRIS Korea, Inc. Korea Branch |
| Communicaciones Broadband S.A. de C.V. (Mexico) — dormant |
| ARRIS Group, Inc., Sucursal Argentina (Argentina) -Branch |
| ARRIS Do Brasil LTDA (Brasil) |
| Arris Group Japan K.K. (Tokyo, Japan) |
| ARRIS Group Telecommunicaciones Compania Limited (Chile) |
| Arris Communications Ireland Limited (Ireland) |
| ARRIS Technology (Shenzen) Co., Ltd. (China) |
| ARRIS Beijing Branch (China) |
| ARRIS Shanghai Branch (China) |