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Technologies / AssemblyAI / First Colo

Companies using AssemblyAI and First Colo

4 companies in our data have public evidence for both AssemblyAI and First Colo, 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.

4companies use both
3%of AssemblyAI users
100%of First Colo users
4name 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

CompanyAssemblyAIFirst Colo
iSpringispring.comiSpring provides a learning management system platform for employee onboarding, compliance training, assessment, and development.EducationHR and recruiting
iSpring Nordicsispring.friSpring provides online training software, including the iSpring LMS learning management system and the iSpring Suite AI course authoring tool that works within PowerPoint.Education
iSpring ソフトウェア｜数クリックでeラーニングを作成ispring.jpiSpring provides e-learning authoring tools and a learning management system (LMS) for creating courses, quizzes, and training content.Education
iSpringispringlearn.deiSpring provides e-learning software, including a learning management system and an authoring tool for creating online courses.Education

The two technologies

AssemblyAI

AI and LLM providers

AssemblyAI-TTS-1 is a text-to-speech model. It is built for voice agents on live calls.

Summarized from assemblyai.com on 8 Nov 2026.

3% of the 135 companies we see using AssemblyAI also show the other.

All 135 companies using AssemblyAI118 name it as a subprocessorMore in AI and LLM providers

First Colo

Cloud and infrastructure

First Colo is a provider of data center services including colocation, cloud services, managed services, and network and security. It is used for secure IT outsourcing with servers housed in data centers in Frankfurt am Main.

Summarized from firstcolo.net on 8 Nov 2026.

100% of the 4 companies we see using First Colo also show the other.

All 4 companies using First ColoMore in Cloud and infrastructure

Other pairs

Companies with their own evidence for both.

More with AssemblyAI

Cloudflare135companiesGoogle Workspace105companiesOpenAI97companiesAmazon Web Services92companiesAnthropic80companiesStripe69companies

Questions

How many companies use both AssemblyAI and First Colo?

4 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 AssemblyAI and First Colo?

iSpring, iSpring Nordics, iSpring ソフトウェア｜数クリックでeラーニングを作成 and iSpring. Each one links to the evidence behind it.

How does StrataDB know a company uses AssemblyAI and First Colo?

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 AssemblyAI and First Colo

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