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Technologies / Melissa Data / OneTrust

Companies using Melissa Data and OneTrust

3 companies in our data have public evidence for both Melissa Data and OneTrust, and 1 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.

3companies use both
50%of Melissa Data users
under 1%of OneTrust users
1name 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

CompanyMelissa DataOneTrust
WorkWaveworkwave.comWorkWave provides field service management software, including products like PestPac, RealGreen, and WinTeam, along with fintech tools and business analytics.Data and analytics
5CA5ca.com5CA provides outsourced multilingual customer support and player support delivered by remote agents.Customer supportConsulting and services
Validityvalidity.comValidity provides an enterprise AI platform for email marketing that brings global email signals into one system for campaign testing, inbox placement, and deliverability monitoring.Data and analyticsMarketing

The two technologies

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.

50% of the 6 companies we see using Melissa Data also show the other.

All 6 companies using Melissa Data6 name it as a subprocessor

OneTrust

Security and identity

OneTrust is the OneTrust AI-Ready Governance Platform™. It is used to connect privacy, data, AI, and technology risk in one continuous system, defining purpose, automating assessments, enforcing controls, and continuously monitoring new risks across domains.

Summarized from onetrust.com on 8 Nov 2026.

under 1% of the 605 companies we see using OneTrust also show the other.

All 605 companies using OneTrust29 name it as a subprocessorMore in Security and identity

Other pairs

Companies with their own evidence for both.

More with Melissa Data

Cloudflare6companiesAmazon Web Services5companies

More with OneTrust

Cloudflare606companiesGoogle Tag Manager439companiesGoogle Workspace311companiesAmazon Web Services229companiesWordPress220companiesHubSpot170companies

Questions

How many companies use both Melissa Data and OneTrust?

3 companies in StrataDB's data have public evidence for both, and 1 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 Melissa Data and OneTrust?

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

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

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 Melissa Data and OneTrust

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