Company lists · Data refreshed September 2026
Top 25 Private cloud storage companies based in the United States
RevenueBase identified 181 private cloud storage companies headquartered in the United States as of September 2026 and tracks 13,240 professional contacts across them, including 6,245 with verified work emails and 4,374 with mobile numbers. San Francisco is the largest hub.
This list covers private cloud storage companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest private cloud storage companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,217 | ||||
“Pure Storage (NYSE: PSTG) uncomplicates data storage, forever.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | Wasabi TechnologiesPartial evidence | 555 | |||
“Wasabi is on a mission to store all the world’s data by making data storage simple, affordable, predictable, and secure.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 361 | ||||
“AI infrastructure runs on data.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 336 | ||||
“DataCore helps organizations modernize, protect, and get more value from their storage infrastructure across core data centers, edge locations, and cloud environments.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 195 | ||||
“Cloudian is the leader in data management software for the hybrid cloud.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 157 | ||||
“Since 2003, Photobucket has been safeguarding memories through our online backup cloud storage services.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | UnitedlayerStrong evidence | 146 | |||
“UnitedLayer is the world’s leading private cloud solution provider, empowering enterprises with secure, high-performance infrastructure powered by the latest Agentic AI…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 133 | ||||
“About Overland-Tandberg(TM) Founded in 1979 Overland-Tandberg provides “best in class” data storage and archive solutions that are reliable and mindfully built for the Enterprise…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 126 | ||||
“Nuvolat® brings together leading experts from the world of cloud, datacenter and IT services.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 116 | ||||
“OTAVA is your secure & compliant multi-cloud expert.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 108 | ||||
“For 25 years, Nexsan has been at the forefront of developing world-class storage technologies and is now leading the way in redefining unified storage.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 104 | ||||
“Portworx by Everpure is the cloud-native storage company that enterprises depend on to reduce the cost and complexity of rapidly deploying containerized applications across…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 59 | ||||
“11:11 Systems is a managed infrastructure solutions provider that empowers customers to modernize, protect, and manage mission-critical applications and data, leveraging 11:11’s…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | Nexenta By DDNStrong evidence | 47 | |||
“Nexenta is the market creator and leader in Open Software-Defined Storage (OpenSDS) software solutions for Hybrid and Multi Cloud enterprise environments via Nexenta AnyCloud…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 37 | ||||
“Funambol is the leading provider of white-label digital lifestyle personal cloud solutions for mobile operators, device manufacturers, content providers and other companies that…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 36 | ||||
“Suite offers cloud storage that solves the biggest headaches faced by dispersed & hybrid creative teams today-no downloading or syncing files required.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 36 | ||||
“SwiftStack is a software-driven data storage and management platform for data-intensive applications and workflows, seamlessly providing access to data across the edge, core data…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | UBX CloudPartial evidence | 34 | |||
“UBX Cloud is a global cloud service provider offering secure, scalable, and fully managed infrastructure solutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 31 | ||||
“Faction is the pioneer of multi-cloud data services.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 31 | ||||
“Cobalt Iron delivers the industry's first and most cyber secure enterprise-class cloud backup SaaS offering.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 25 | ||||
“Versity Software is the leading independent large archive software company focused on building scalable data storage solutions by aggressively investing in new technology.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 24 | ||||
“Net3 is a leading cloud services provider headquartered in Greenville, SC.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 20 | ||||
“For more than 15 years Coaxis Hosting has provided managed hosting technology and cloud computing services to thousands of business and professional clients across the United…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 19 | ||||
“TetherView is the leading expert in Private Cloud; operating out of the best data-centers running on the best of breed technology.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Parablu INCIndirect evidence | 18 | |||
“At Parablu, protecting your business data is our prime focus.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 181 private cloud storage companies based in the United States
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Private cloud storage companies based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among private cloud storage companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “private cloud storage companies”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among private cloud storage companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 6,245 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
How many private cloud storage companies are there based in the United States?
RevenueBase identified 181 private cloud storage companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Pure Storage, headquartered in Santa Clara, tops this list with the largest team on record.
Which city has the most private cloud storage companies?
San Francisco leads with 8 headquartered companies, followed by Los Angeles (7) and New York (7).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,245 verified decision-maker contacts tracked across these 181 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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