As of 14 October 2026, Firmable tracks 42 companies across 13 countries running OpsLevel. See who they are, and who to call.
We scan the entire internet every week, so detections stay current.
Observations captured every day, across DNS records, public service scans and websites.
Technologies tracked, each matched to the companies running them and who to call.
Showing 5 of 42 companies
mash.com · Computer software · 251–500 employees
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No signals recorded
Unlock full company profileblackstone.com · Investment management · 5,001–10,000 employees
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New Vice President, Blackstone Private Wealth joined · 31 Aug 2026
Hired as Vice President · 28 Sep 2026
Unlock full company profilethetradedesk.com · Internet services and web portals · 1,001–5,000 employees
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Hired as Chief Business Development Officer and Senior Vice President · 17 Jul 2026
Hiring: Associate Trading Director · 2 Oct 2026
Unlock full company profilecastleisland.vc · Venture capital and private equity · 11–50 employees
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Castle Island invested into Cyclops $20M in Series A on Aug 1st '26. · 1 Aug 2026
Hiring: Global Controller · 11 Sep 2026
Unlock full company profileharness.io · Computer software · 1,001–5,000 employees
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Augment Code sells select assets to Harness Inc. on Oct 8th '26 · 9 Oct 2026
Harness Inc. launches the Harness Cosmos Software Factory on Oct 9th '26 · 9 Oct 2026
Unlock full company profileEach one comes with its full company profile, decision makers and the signals behind the detection.
Start free trialA breakdown of the 42 companies running OpsLevel.
Share of companies with a recorded size, by employees.
No size recorded: 1
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About the OpsLevel data on this page.
Firmable holds confirmed OpsLevel detections for 42 distinct companies, 9 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Mash, The Trade Desk and Harness are among the most prominent in the current set.
Information technology and services, financial services and professional and business services lead the set, across 9 industries in total.
Adoption concentrates in the 1,001-5,000 employee band, across the companies whose size is recorded.
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
9 companies were confirmed in the last 90 days. Last detection 2 September 2026.
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