Exhibit 21

Subsidiaries of Mobile Mini, Inc.

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	United Kingdom	Mobile Mini, Inc.		100	%
Mobile Mini Holding, B.V.	The Netherlands	Mobile Mini, Inc.		100	%
Mobile Mini Canada ULC	Canada	Mobile Mini, Inc.		100	%
Rent-Me	Canada	Mobile Mini Canada ULC		100	%
A Better Mobile Storage Company	California	Mobile Storage Group, Inc.		100	%
MSG Investments, Inc.	California	Mobile Storage Group, Inc.		100	%
Mobile Storage UK Finance LP	United Kingdom	MSG Investments, Inc.		99	%
		Mobile Storage Group, Inc.		1	%
Mobile Storage Group L.P.	Texas	Mobile Storage Group, Inc.		99	%
		MSG Investments, Inc.		1	%
LIKO Luxembourg International S.a.r.l.	Luxembourg	Mobile Storage UK Finance LP		100	%
Temporary Mobile Storage, Inc.	California	A Royal Wolf Portable Storage, Inc.		100	%
Mobile Mini B.V.	The Netherlands	Mobile Mini Holding, B.V.		100	%
Ravenstock MSG Limited	United Kingdom	Mobile Mini UK Holdings Limited		100	%