United States self-storage operators:ranked by sites tracked.

As of 20 October 2026, Public Storage has the most self-storage sites tracked in the United States (490), then CubeSmart (433) and Merit Hill Capital (273). The list ranks operators by sites tracked, not by size.

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How to read this list

Ranked by sites tracked, not by size. A site counts once, under the name its source gives. Another ranking may use capacity or area and order the same names differently.
Operating is a site that is open. Planned is a site that is not open yet: announced, planned or under construction. The two are shown in separate columns and are never added together.
Counts are sites recorded, not a census of the self-storage market in the United States, and they grow as coverage grows.

The 20 named self-storage operators with the most sites tracked in the United States, out of 43 named. Data updated 20 October 2026.
Rank	Operator	Sites tracked	Operating sites
1	Public Storage	490	487
2	CubeSmart	433	430
3	Merit Hill Capital	273	273
4	Amsdell Cos. (Compass Self Storage)	104	103
5	U-Haul	10	8
6	Extra Space Storage	8	4
7	National Storage Affiliates	7	7
8	Walla Walla Self Storage	6	0
9	UpLift Self Storage	4	0
10	10 Federal Storage LLC	3	0
11	Journey Storage	3	0
12	Parkview Storage Solutions	3	0
13	StorQuest	3	0
14	Storwell Storage	3	0
15	StorageMart	2	0
16	Absolute Storage Management	2	0
17	Andover Properties (Storage King)	2	0
18	Fill-It Self Storage	2	2
19	Peoria Storage Center	2	0
20	Store Space Self Storage	2	0

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This page lists the largest operators by sites tracked. Sign in or start a trial to inspect every facility, 43 operators and the source document behind each figure.

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Operating vs. pipeline capacity, operator and owner records
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How this data is built

Real Assets reads company pages, filings, news and listings, and records figures with a link to the page that published them.

Counts are sites Real Assets has recorded, not a full census, and grow as coverage grows. Sites are listed with the operator as published (the owner for industrial parks). Data updated 20 October 2026.

How this data is built and what a source line means

Questions

How are United States self-storage operators ranked?

By sites tracked: the number of sites Real Assets has recorded under each operator's name, as the source gives it. It is not a ranking by size, so a list ranked that way can put the same names in a different order. Operating is a site that is open. Planned is a site that is not open yet: announced, planned or under construction. They are shown in separate columns and never added together.

Is this a full list of self-storage operators in the United States?

No. It shows the 20 named operators with the most sites tracked, out of 43 named operators recorded. Counts are sites Real Assets has recorded, not a census of the self-storage market in the United States. A site whose source names no operator is not attributed to anyone.

What do operating and planned mean?

Operating is a site that is open. Planned is a site that is not open yet: announced, planned or under construction. They are shown in separate columns and never added together.