| Subsidiary | Jurisdiction of Incorporation | |||||||
| Assurable Insurance LLC | Texas | |||||||
| CC Holdings GS V LLC | Delaware | |||||||
| CC Towers Guarantor LLC | Delaware | |||||||
| CC Towers Holding LLC | Delaware | |||||||
| CCATT Holdings LLC | Delaware | |||||||
| CCATT LLC | Delaware | |||||||
| CCGS Holdings Corp. | Delaware | |||||||
| CCTM Holdings LLC | Delaware | |||||||
| CCTMO LLC | Delaware | |||||||
| Crown Atlantic Company LLC | Delaware | |||||||
| Crown Castle Atlantic LLC | Delaware | |||||||
| Crown Castle CA Corp. | Delaware | |||||||
| Crown Castle Fiber Holdings Corp. | Delaware | |||||||
| Crown Castle Fiber LLC | New York | |||||||
| Crown Castle GT Company LLC | Delaware | |||||||
| Crown Castle GT Corp. | Delaware | |||||||
| Crown Castle GT Holding Sub LLC | Delaware | |||||||
| Crown Castle Investment II Corp. | Delaware | |||||||
| Crown Castle Operating Company | Delaware | |||||||
| Crown Castle South LLC | Delaware | |||||||
| Crown Castle Towers 06-2 LLC | Delaware | |||||||
| Crown Castle Towers LLC | Delaware | |||||||
| Crown Castle USA Inc. | Pennsylvania | |||||||
| Crown Communication LLC | Delaware | |||||||
| Global Signal Acquisitions II LLC | Delaware | |||||||
| Global Signal Acquisitions IV LLC | Delaware | |||||||
| Global Signal Holdings III LLC | Delaware | |||||||
| Global Signal Operating Partnership, L.P. | Delaware | |||||||
| Pinnacle Towers Acquisition LLC | Delaware | |||||||
| Pinnacle Towers Acquisition Holdings LLC | Delaware | |||||||
| Pinnacle Towers LLC | Delaware | |||||||