Company lists · Data verified August 2026
Top 12 Columnar database companies based in the United States
There are 26 columnar database companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 1,812 professional contacts across them, including 934 with verified work emails and 411 with mobile numbers. San Francisco is the largest hub.
This list covers columnar database 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. Data current as of August 28, 2026.
The 12 largest columnar database companies based in the United States
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Singlestore | 317 |
| 2 |  Clickhouse | 288 |
| 3 |  Scylladb | 124 |
| 4 |  Exasol | 119 |
| 5 |  Startree | 50 |
| 6 | Celerdata | 25 |
| 7 |  End-User Computing Division, Broadcom | 2 |
| 8 | Westclintech | 3 |
| 9 |  Rapidsdb | 1 |
| 10 |  Dexteritydb | 2 |
| 11 | Leapdb, LLC | 1 |
| 12 |  Concentric Innovations LLC | 1 |
Showing 12 of 26 columnar database companies based in the United States
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Columnar database companies based in the United States at a glance
As of Aug 28, 2026Companies by employee count
Columnar database companies by metro
| Metro | Companies |
|---|---|
| Columnar database companies in San Francisco | 4 |
| Columnar database companies in Palo Alto | 3 |
| Columnar database companies in Sunnyvale | 2 |
| Columnar database companies in Johnstown | 1 |
| Columnar database companies in San Mateo | 1 |
| Columnar database companies in Austin | 1 |
| Columnar database companies in Gig Harbor | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “columnar database companies”, with match quality audited by blind human judging, and headquartered in the United States.
- 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
- Contact records re-verify on a rolling cadence; 9 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many columnar database companies are there based in the United States?
There are 26 columnar database companies headquartered in the United States as of August 2026 (RevenueBase).
What is the largest company on this list?
Singlestore, headquartered in San Francisco, tops this list with the largest team on record.
Which city has the most columnar database companies?
San Francisco leads with 4 headquartered companies, followed by Palo Alto (3) and Sunnyvale (2).
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 934 verified decision-maker contacts tracked across these 26 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.
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