Exhibit 21
Subsidiaries of Mobile Mini, Inc.
As of December 31, 2018
Name of Subsidiary |
| Jurisdiction of Incorporation/ Formation |
| Parent |
| Percent Ownership |
Mobile Storage Group, Inc. |
| Delaware |
| Mobile Mini, Inc. |
| 100% |
Mobile Mini I, Inc. |
| Arizona |
| Mobile Mini, Inc. |
| 100% |
Mobile Mini Dealer, Inc. |
| Arizona |
| Mobile Mini, Inc. |
| 100% |
Mobile Mini, LLC |
| California |
| Mobile Mini, Inc. |
| 100% |
Mobile Mini, LLC |
| Delaware |
| Mobile Mini, Inc. |
| 100% |
A Royal Wolf Portable Storage, Inc. |
| California |
| Mobile Mini, Inc. |
| 100% |
Mobile Mini UK Holdings Limited |
| England and Wales |
| Mobile Mini, Inc. |
| 100% |
Mobile Mini Canada ULC |
| British Columbia |
| Mobile Mini, Inc. |
| 100% |
A Better Mobile Storage Company |
| California |
| Mobile Storage Group, Inc. |
| 100% |
MSG Investments, Inc. |
| California |
| Mobile Storage Group, Inc. |
| 100% |
Mobile Mini Finance, LLC |
| Delaware |
| MSG Investments, Inc. |
| 100% |
Mobile Storage UK Finance Limited Partnership |
| England and Wales |
| Mobile Mini Finance, LLC. |
| 99% |
|
|
|
| Mobile Storage Group, Inc. |
| 1% |
MSG MMI (Texas) L.P. |
| Texas |
| Mobile Storage Group, Inc. |
| 99% |
|
|
|
| Mobile Mini Finance, LLC |
| 1% |
Temporary Mobile Storage, Inc. |
| California |
| A Royal Wolf Portable Storage, Inc. |
| 100% |
Ravenstock MSG Limited |
| England and Wales |
| Mobile Mini UK Holdings Ltd. |
| 100% |
Mobile Mini UK Limited |
| England and Wales |
| Mobile Mini UK Holdings Ltd. |
| 99.8% |
|
|
|
| Ravenstock MSG Ltd. |
| 0.2% |
Mobile Storage (U.K.) Limited |
| England and Wales |
| Ravenstock MSG Ltd. |
| 100% |
Ravenstock Tam (Hire) Limited |
| England and Wales |
| Ravenstock MSG Ltd. |
| 100% |
Sbox Storage, LLC |
| Delaware |
| Mobile Mini, Inc. |
| 100% |
Containers 2000 LTD |
| England and Wales |
| Mobile Mini UK Limited |
| 100% |
Mr. Box LTD |
| England and Wales |
| Mobile Mini UK Limited |
| 100% |
Mr. Box LLC |
| Delaware |
| Mobile Mini, Inc. |
| 100% |
Gulf Tanks Holdings, Inc. |
| Delaware |
| Mobile Mini, Inc. |
| 100% |
Evergreen Tank Solutions, Inc. |
| Delaware |
| Gulf Tank Holdings, Inc. |
| 100% |
Water Movers, Inc. |
| Arizona |
| Evergreen Tank Solutions, Inc. |
| 100% |
Water Movers Contracting, LLC |
| Arizona |
| Water Movers, Inc. |
| 100% |