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Technologies / Amazon Web Services / FusionAuth

Companies using Amazon Web Services and FusionAuth

8 companies in our data have public evidence for both Amazon Web Services and FusionAuth, and 8 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 Amazon Web Services users
67%of FusionAuth users
8name both as subprocessors

Companies using one are 2.9 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

CompanyAmazon Web ServicesFusionAuth
Apptegyapptegy.comApptegy provides an all-in-one communications platform for managing school district communication, including alerts, messaging, translation, and website content.CommunicationsEducation
Databoxdatabox.comDatabox is an analytics platform that connects business data, defines metrics, and uses AI to analyze performance and create reports.AI and machine learningData and analytics
Ellii (formerly ESL Library)ellii.comEllii provides ready-made English language lessons, grammar materials, and teaching tools for English teachers.Education
Powerful Medicalpowerfulmedical.comPowerful Medical provides AI-powered ECG analysis software called PMcardio that detects heart attacks and other cardiac conditions.Healthcare
ReFreshrefresh.techReFresh provides a platform for identifying and managing psychosocial hazards at work, including risk reporting, controls and compliance records.Compliance and risk
Shiftmoveshiftmove.comShiftmove provides fleet management and digital logbook software for vehicles.Automotive and mobility
TrueFoundrytruefoundry.comTrueFoundry provides an enterprise AI gateway for LLMs, MCPs, and agents, along with AI deployment and engineering platform tools.AI and machine learning
Unibuddyunibuddy.comUnibuddy provides a platform for peer-to-peer and community engagement that lets prospective students connect with current student ambassadors.Education

The two technologies

Amazon Web Services

by Amazon · Cloud and infrastructure

Amazon Web Services is a cloud provider offering a broad set of on-demand computing, storage, database, analytics, and AI services. It is used to build, deploy, and scale applications and workloads in the cloud.

Summarized from aws.amazon.com on 8 Nov 2026.

under 1% of the 5,458 companies we see using Amazon Web Services also show the other.

All 5,458 companies using Amazon Web Services4,285 name it as a subprocessorMore in Cloud and infrastructure

FusionAuth

Security and identity

FusionAuth is a customer identity and access management (CIAM) platform that authenticates users, services, and AI agents and controls what they can access. It is used to handle identity, login, and authorization for applications, and it can be self-hosted, deployed dedicated, or run on-premises.

Summarized from fusionauth.io on 8 Nov 2026.

67% of the 12 companies we see using FusionAuth also show the other.

All 12 companies using FusionAuth12 name it as a subprocessorMore in Security and identity

Industries

Among the companies above, by our own classification of their homepage.

Education3AI and machine learning2

Other pairs

Companies with their own evidence for both.

More with Amazon Web Services

Cloudflare5,253companiesGoogle Workspace3,953companiesGoogle Tag Manager2,574companiesGoogle Analytics2,167companiesGoogle2,041companiesStripe2,026companies

More with FusionAuth

Cloudflare12companiesGoogle Workspace10companiesGoogle Tag Manager8companiesIntercom8companiesGoogle Analytics5companiesMixpanel5companies

Questions

How many companies use both Amazon Web Services and FusionAuth?

8 companies in StrataDB's data have public evidence for both, and 8 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 Amazon Web Services and FusionAuth?

Apptegy, Databox, Ellii (formerly ESL Library), Powerful Medical and ReFresh, and 3 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Amazon Web Services and FusionAuth?

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 Amazon Web Services and FusionAuth

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.

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