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Technologies / Porter Technologies / Vercel

Companies using Porter Technologies and Vercel

6 companies in our data have public evidence for both Porter Technologies and Vercel, and 4 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
67%of Porter Technologies users
under 1%of Vercel users
4name both as subprocessors

Companies using one are 3.3 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

CompanyPorter TechnologiesVercel
Context.devContext.dev provides an API for AI agents and LLM apps to scrape, search, monitor, and collect data from the web.AI and machine learningDeveloper tools
Ionworksionworks.comIonworks provides a battery data and simulation platform that turns test data into validated physics-based models.Energy and climate
Ontoraontora.comOntora provides AI transformation services that include process discovery, prioritised roadmaps, and targeted AI implementation with measurement of return.AI and machine learningConsulting and services
Writesonicwritesonic.comWritesonic tracks where brands appear in AI search answers and fixes content, citations, and technical issues to improve that visibility.AI and machine learningMarketing
End Closeendclose.comEnd Close provides automated payment reconciliation software that matches transactions and resolves exceptions.Finance and accounting softwareFintech
Arcadearcade.devArcade provides an actions runtime that enforces, executes, and governs every action between AI agents and the systems they reach.AI and machine learningDeveloper tools

The two technologies

Porter Technologies

Cloud and infrastructure

67% of the 9 companies we see using Porter Technologies also show the other.

All 9 companies using Porter Technologies8 name it as a subprocessorMore in Cloud and infrastructure

Vercel

Cloud and infrastructure

Vercel is a platform for deploying and running web apps and AI agents, with services such as Fluid Compute, Sandbox, and an AI Gateway for accessing over 400 models. It is used by developers and coding agents to ship frontend and backend applications, durable workflows, and sandboxed code execution.

Summarized from vercel.com on 8 Nov 2026.

under 1% of the 4,693 companies we see using Vercel also show the other.

All 4,693 companies using Vercel1,224 name it as a subprocessorMore in Cloud and infrastructure

Industries

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

AI and machine learning4Developer tools2

Other pairs

Companies with their own evidence for both.

More with Porter Technologies

Cloudflare9companiesGoogle Workspace9companiesOpenAI8companiesAmazon Web Services7companiesPostHog6companiesStripe6companies

More with Vercel

Cloudflare4,685companiesNext.js3,507companiesGoogle Workspace3,358companiesGoogle Analytics1,426companiesStripe1,383companiesAmazon Web Services1,255companies

Questions

How many companies use both Porter Technologies and Vercel?

6 companies in StrataDB's data have public evidence for both, and 4 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 Porter Technologies and Vercel?

Context.dev, Ionworks, Ontora, Writesonic and End Close, and 1 more company. Each one links to the evidence behind it.

How does StrataDB know a company uses Porter Technologies and Vercel?

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 Porter Technologies and Vercel

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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