| XM International, Inc. ( E. Rutherford, NJ ) | XM Satellite Radio, Inc. ( Washington, DC ) | XMOS Limited ( London, GB ) |
| XM International, Inc. ( Hackensack, NJ ) | XM Sattellite Radio, Inc. ( Washington, DC ) | XMPie |
| XM International, Inc. ( Seattle, WA ) | XMLCities ( Milpits, CA ) | XMPie( JP ) |
| XM Satellite Radio ( Washington, DC ) | XMLCities, Inc. ( Milpitas, CA ) | Xmpie Inc. |
| XM Satellite Radio Inc | XML-Global Technologies, Inc. ( Seattle, WA ) | XMPie Inc. ( Wilmington, DE ) |
| XM Satellite Radio Inc. | XMLUNIFY ( San Jose, CA ) | XMTT Inc. ( Potomac, MD ) |
| XM Satellite Radio Inc. ( Washington, DC ) | XMOS LIMITED | XMYPHONIC SYSTEM AS ( Kjeller, NO ) |
| XM Satellite Radio, Inc. | XMOS Limited( London ) | XNTC New Tech. |
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