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Technologies / Anthropic / Backblaze B2

Companies using Anthropic and Backblaze B2

8 companies in our data have public evidence for both Anthropic and Backblaze B2, and 6 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

8companies use both
under 1%of Anthropic users
47%of Backblaze B2 users
6name both as subprocessors

Companies using one are 3.8 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyAnthropicBackblaze B2
Brighterbrighter.rocksBrighter provides a paid diagnostic service that maps the likely blockers in a job search and recommends changes to resumes, LinkedIn profiles, and portfolios.Consulting and services
Docwizedocwize.comDocwize provides document management and workflow automation software for legal, finance, construction, HR, and operations teams.Legal
Epivoepivo.aiEpivo is a voice-first AI tutoring platform that asks questions and guides learners through dialogue rather than giving answers.AI and machine learningEducation
Lend Systemlend.tj
OpenLuxeopenluxe.coReal estate
Verinodeverinode.aiVerinode is an independent data trust for the restoration industry that holds a business's data securely and benchmarks it against peer operators.Data and analytics
JsonCutjsoncut.comJsonCut is a web-based studio for creating and editing images and videos, combining hands-on tools with AI generation.AI and machine learningDesign and creative
BangerMailbangermail.comBanger provides email marketing and automation tools, including campaigns, journeys, signup forms, and order emails.E-commerceMarketing

The two technologies

Anthropic

AI and LLM providers

Anthropic is a public benefit corporation dedicated to securing the benefits of AI and mitigating its risks. It is used for the responsible development and maintenance of advanced AI for the long-term benefit of humanity.

Summarized from anthropic.com on 8 Nov 2026.

under 1% of the 2,926 companies we see using Anthropic also show the other.

All 2,926 companies using Anthropic2,246 name it as a subprocessorMore in AI and LLM providers

Backblaze B2

by Backblaze · Cloud and infrastructure

Backblaze B2 is S3-compatible object storage offered as a cloud service. It is used for storing and serving data for AI training, applications, content delivery, and backup.

Summarized from backblaze.com on 9 Nov 2026.

47% of the 17 companies we see using Backblaze B2 also show the other.

All 17 companies using Backblaze B213 name it as a subprocessorMore in Cloud and infrastructure

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,905companiesGoogle Workspace2,134companiesOpenAI1,997companiesAmazon Web Services1,556companiesStripe1,532companiesGoogle1,415companies

More with Backblaze B2

Cloudflare17companiesStripe10companiesGoogle9companiesGoogle Workspace9companiesResend9companiesNext.js7companies

Questions

How many companies use both Anthropic and Backblaze B2?

8 companies in StrataDB's data have public evidence for both, and 6 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Anthropic and Backblaze B2?

Brighter, Docwize, Epivo, Lend System and OpenLuxe, and 3 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and Backblaze B2?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Anthropic and Backblaze B2

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
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