Signals Recent events at this company, such as a leadership change, funding or a new office.
Fluidstack invested into assets: AI data center in the amount of $4B in Cameron, Texas, United States, Northern America, Americas on Sep 11th '26. · 11 Sep 2026
Fluidstack expands facilities to New York, New York, United States, Northern America, Americas. · 11 Sep 2026
A breakdown of the 2.3K+ companies running Harbor.
Top industries
Information technology and services944
Education and training192
Professional and business services191
Industrial and manufacturing122
Financial services101
Media and telecommunications82
Art, sports and recreation74
Health and wellness42
No industry recorded: 325
Company size
1–10333 (18%)
11–50461 (25%)
51–250482 (26%)
251–500128 (7%)
501–1,00094 (5%)
1,001–5,000174 (9%)
5,001–10,00064 (3%)
10,001+98 (5%)
Share of companies with a recorded size, by employees.
No size recorded: 468
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
2.10.029
2.11.125
2.12.220
2.11.014
2.12.013
2.10.39
2.12.19
2.10.28
2.11.28
2.9.07
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Market insights
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Frequently asked questions
About the Harbor data on this page.
How many companies use Harbor?
Firmable holds confirmed Harbor detections for 2,302 distinct companies, 2,250 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Harbor?
Fluidstack, Fireworks AI and Spectro Cloud are among the most prominent in the current set.
What industries use Harbor?
Information technology and services, education and training and professional and business services lead the set, across 19 industries in total.
What size companies use Harbor?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Harbor users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
2,250 companies were confirmed in the last 90 days. Last detection 14 October 2026.
