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Technologies / MacStadium / OpenAI

Companies using MacStadium and OpenAI

9 companies in our data have public evidence for both MacStadium and OpenAI, and 9 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.

9companies use both
60%of MacStadium users
under 1%of OpenAI users
9name both as subprocessors

Companies using one are 4.3 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

CompanyMacStadiumOpenAI
Appetize.ioAppetize provides cloud iOS simulators and Android emulators that give instant browser-based access to mobile apps.Developer tools
Biltbilt.meBilt lets people build mobile apps from plain-language descriptions and monetize them.Developer tools
Countlycountly.comCountly provides a private product intelligence platform that collects and analyzes product data from web, mobile, desktop, connected apps, and server-side systems.Data and analytics
Craft Docscraft.doCraft provides a space for notes, tasks, and big ideas, with docs, tasks, calendar, whiteboards, and daily notes.Productivity and collaboration
MessageMediamessagemedia.comSinch Engage (formerly MessageMedia) provides a messaging platform for SMS, MMS, RCS, and WhatsApp, with integrations for tools like HubSpot, Salesforce, NetSuite, Shopify, and Zoho.CommunicationsMarketing
runautomat.comRunautomat.com offers Ace, an AI teammate that works through its own computer, email, and phone number and can be reached by Slack, Teams, email, text, WhatsApp, or phone call.AI and machine learning
Sinchsinch.comSinch provides communication APIs and applications for messaging, voice, email, and verification.Communications
TestMu AI (Formerly LambdaTest)testmuai.comTestMu AI provides a unified quality engineering platform for automating end-to-end testing across web, mobile, and AI applications.AI and machine learningDeveloper tools
WarpBuildwarpbuild.comWarpBuild provides high-performance GitHub Actions runners that are a drop-in replacement for existing CI workflows.Developer tools

The two technologies

MacStadium

Cloud and infrastructure

MacStadium is a Mac cloud and enterprise service that provides hosted Apple hardware and macOS environments. It is used for mobile app development and testing, remote Mac desktops, and AI and edge workloads on Apple silicon.

Summarized from macstadium.com on 8 Nov 2026.

60% of the 15 companies we see using MacStadium also show the other.

All 15 companies using MacStadium13 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 3,285 companies we see using OpenAI also show the other.

All 3,285 companies using OpenAI2,522 name it as a subprocessorMore in AI and LLM providers

Industries

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

Developer tools4Communications2AI and machine learning2

Other pairs

Companies with their own evidence for both.

More with MacStadium

Cloudflare15companiesAmazon Web Services11companiesGoogle10companiesStripe10companiesGoogle Workspace9companiesGoogle Analytics6companies

More with OpenAI

Cloudflare3,277companiesGoogle Workspace2,472companiesAnthropic1,993companiesAmazon Web Services1,891companiesStripe1,642companiesGoogle1,547companies

Questions

How many companies use both MacStadium and OpenAI?

9 companies in StrataDB's data have public evidence for both, and 9 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 MacStadium and OpenAI?

Appetize.io, Bilt, Countly, Craft Docs and MessageMedia, and 4 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses MacStadium 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 MacStadium 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.

  • Every company and vendor, with its public source
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