| Business | Phone |
| Longhorn Mineral Corp 1001 West Loop S 100, Houston 77027 | (713) 622-0002 |
| Harris County Clerk 16603 Buccaneer Ln 101, Houston 77062 | (281) 486-7250 |
| Harris County Clerk Office 6000 Chimney Rock Rd 106, Houston 77081 | (713) 660-7902 |
| Harris County Clerk's Office 16715 Clay Rd 8, Houston 77084 | (281) 859-0685 |
| Harris County Clerk's Office 7300 N Shepherd Dr, Houston 77091 | (713) 697-5193 |
| Harris County Clerk-Elections 1001 Preston St 4, Houston 77002 | (713) 755-6411 |