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Technologies / Anthropic / Melissa Data

Companies using Anthropic and Melissa Data

2 companies in our data have public evidence for both Anthropic and Melissa Data, and 2 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.

2companies use both
under 1%of Anthropic users
33%of Melissa Data users
2name both as subprocessors

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

CompanyAnthropicMelissa Data
5CA5ca.com5CA provides outsourced multilingual customer support and player support delivered by remote agents.Customer supportConsulting and services
WorkWaveworkwave.comWorkWave provides field service management software, including products like PestPac, RealGreen, and WinTeam, along with fintech tools and business analytics.Data and analytics

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 2,945 companies we see using Anthropic also show the other.

All 2,945 companies using Anthropic2,261 name it as a subprocessorMore in AI and LLM providers

Melissa Data is a provider of contact data quality technology and solutions. It is used for address verification, phone and email verification, data cleansing, matching and deduplication, and identity verification.

Summarized from melissa.com on 8 Nov 2026.

33% of the 6 companies we see using Melissa Data also show the other.

All 6 companies using Melissa Data6 name it as a subprocessor

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,930companiesGoogle Workspace2,144companiesOpenAI2,009companiesAmazon Web Services1,561companiesStripe1,550companiesGoogle1,427companies

More with Melissa Data

Cloudflare6companiesAmazon Web Services5companies

Questions

How many companies use both Anthropic and Melissa Data?

2 companies in StrataDB's data have public evidence for both, and 2 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 Melissa Data?

5CA and WorkWave. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and Melissa Data?

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 Melissa Data

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
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call