Companies using OpenAI and Prospeo

5 companies in our data have public evidence for both OpenAI and Prospeo, and 1 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.

5companies use both

under 1%of OpenAI users

71%of Prospeo users

1name both as subprocessors

Companies using one are 5.1 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

Company	OpenAI	Prospeo
Adrataadrata.comAdrata provides AI software for revenue leaders and account executives to help them sell to both human buyers and AI systems.AI and machine learning Sales
Add to CRMaddtocrm.comAdd to CRM is a Chrome extension that finds verified email addresses and phone numbers from LinkedIn, Gmail, and Outlook profiles and adds them to a connected CRM.Sales
inDealindeal.aiinDeal offers an AI CRM with an appointment agent that finds leads from likes, comments, networks and website visitors, writes messages and follows up until a meeting is booked.AI and machine learning Sales
HypeLeadhypelead.aiHypeLead finds companies that fit a user's ideal client profile and drafts the first outreach message, sent from the user's own inbox and accounts.Sales
ListPluslistplus.aiListPlus helps CRM teams, RevOps and GTM engineers find B2B leads and check and enrich contact data.Sales

The two technologies

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 OpenAI 2,522 name it as a subprocessor More in AI and LLM providers

Prospeo

CRM and sales

Prospeo is a platform for people and company search, CRM and CSV enrichment, email finding, intent data, a Chrome extension, mobile number finding, domain search and integrations. It is used to generate leads, build leads lists, find verified work emails and mobile numbers, and enrich data.

Summarized from prospeo.io on 9 Nov 2026.

71% of the 7 companies we see using Prospeo also show the other.

All 7 companies using Prospeo More in CRM and sales

Industries

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

Sales5 AI and machine learning2

Other pairs

Companies with their own evidence for both.

More with OpenAI

Cloudflare3,284companies

Google Workspace2,478companies

Anthropic1,997companies

Amazon Web Services1,891companies

Stripe1,647companies

Google1,551companies

More with Prospeo

Cloudflare7companies

Google7companies

Stripe6companies

Amazon Web Services5companies

Google Workspace5companies

Questions

How many companies use both OpenAI and Prospeo?

5 companies in StrataDB's data have public evidence for both, and 1 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 OpenAI and Prospeo?

Adrata, Add to CRM, inDeal, HypeLead and ListPlus. Each one links to the evidence behind it.

How does StrataDB know a company uses OpenAI and Prospeo?

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 OpenAI and Prospeo

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