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Technologies / Amazon S3 / OpenAI

Companies using Amazon S3 and OpenAI

6 companies in our data have public evidence for both Amazon S3 and OpenAI, and 3 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.

6companies use both
29%of Amazon S3 users
under 1%of OpenAI users
3name both as subprocessors

Companies using one are 2.0 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 S3OpenAI
Airparserairparser.comAirparser extracts structured data from emails, PDFs, and documents.AI and machine learning
Maaleximaalexi.aiMaalexi is an agricultural commodity exchange that verifies, stores, insures, tokenizes and trades physical commodities such as grains, pulses, spices and frozen meat.AgricultureLogistics and supply chain
Socketsocket.devSocket scans open source packages and updates for malicious behavior across major registries.CybersecurityDeveloper tools
FlexiEle HRMSflexiele.comFlexiEle provides a cloud-based HRMS platform with integrated modules for recruitment, onboarding, payroll, leave and attendance, performance, and compliance.HealthcareHR and recruiting
Reka AIreka.aiReka builds AI models and infrastructure that process and generate multiple kinds of data in real time.AI and machine learning
JouwWebjouwweb.beJouwWeb lets small entrepreneurs build a website with an AI tool that generates an initial version from a one-sentence description.E-commerce

The two technologies

Amazon S3

by Amazon · Cloud and infrastructure

Amazon S3 is a fully managed object storage service for storing and retrieving any amount of data at any scale. It is used to build data lakes, cloud-native applications, and AI workloads.

Summarized from aws.amazon.com on 9 Nov 2026.

29% of the 21 companies we see using Amazon S3 also show the other.

All 21 companies using Amazon S39 name it as a subprocessorMore in Cloud and infrastructure

OpenAI

AI and LLM providers

OpenAI is a platform that provides an API for building with OpenAI models. It is used to access models, tools, and services for tasks such as text generation, image generation, audio, and agents.

Summarized from developers.openai.com on 8 Nov 2026.

under 1% of the 3,264 companies we see using OpenAI also show the other.

All 3,264 companies using OpenAI2,507 name it as a subprocessorMore in AI and LLM providers

Other pairs

Companies with their own evidence for both.

More with Amazon S3

Cloudflare21companiesGoogle Analytics13companiesGoogle Workspace13companiesAmazon Web Services11companiesStripe9companiesNext.js7companies

More with OpenAI

Cloudflare3,264companiesGoogle Workspace2,460companiesAnthropic1,983companiesAmazon Web Services1,884companiesStripe1,636companiesGoogle1,538companies

Questions

How many companies use both Amazon S3 and OpenAI?

6 companies in StrataDB's data have public evidence for both, and 3 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 S3 and OpenAI?

Airparser, Maalexi, Socket, FlexiEle HRMS and Reka AI, and 1 more company. Each one links to the evidence behind it.

How does StrataDB know a company uses Amazon S3 and OpenAI?

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 S3 and OpenAI

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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