# Revnu for data labeling companies: AI lab and ML team buyers

> Revnu is your AI growth hire. It finds customers, runs email and LinkedIn outreach, manages paid ads, and publishes content for Google and AI search.

Canonical: https://revnu.com/for/data-labeling

**Revnu finds the teams that need data. You deliver it.**

It reaches the research or data lead the week they raise, hire or ship a model, and books the call. You approve every send.

- It finds AI teams hiring eval, post-training and data engineers.
- It tracks new rounds and model launches as they happen.
- It reaches the research or data lead by email and LinkedIn, in your voice.

From $99 a month. No contract. Cancel anytime.

## What Revnu found (real companies, researched 2026-11-08; emails hidden)

### By Sector

> We're a data labeling company. Find US AI and machine learning companies with 20 to 500 people.

Found 5,072 companies that match. The 8 best fits, scored on size, funding and how recently they raised.

| Fit | Company | Sector | HQ | Employees | Raised |
|---|---|---|---|---|---|
| 98 | Tamr | Machine Learning | Cambridge, Massachusetts | 106 | $90M |
| 98 | AspenView Technology Partners | Artificial Intelligence | Denver, Colorado | 100 | $2.2M |
| 97 | Sirona Medical | Artificial Intelligence | San Francisco, California | 114 | $145M |
| 97 | Welltory | Machine Learning | Redwood City, California | 90 | $16M |
| 97 | Cradlewise | Machine Learning | San Francisco, California | 97 | $19M |
| 97 | smallest.ai | Machine Learning | San Francisco, California | 104 | $22M |
| 96 | RapidCanvas | Machine Learning | Austin, Texas | 123 | $53M |
| 96 | Flexcompute | Artificial Intelligence | Boston, Massachusetts | 123 | $82M |

### By Funding

> Which AI companies raised a Series A or later in the last six months? New money goes to training data.

58 raised in that window. The 8 best fits, newest money weighted highest.

| Fit | Company | Round | Amount | Raised | Employees |
|---|---|---|---|---|---|
| 94 | Sirona Medical | Series D | $40M | Oct 15, 2026 | 114 |
| 94 | Albert Invent | Series B | $55M | Oct 13, 2026 | 193 |
| 93 | RapidCanvas | Series B | $29M | Oct 16, 2026 | 123 |
| 93 | SiMa.ai | Series C | $150M | Sep 28, 2026 | 245 |
| 90 | Wint Water Intelligence | Series D | $36M | Sep 9, 2026 | 118 |
| 89 | Pathfinder | Series A | $12M | Oct 29, 2026 | 53 |
| 89 | Simplismart | Series B | $14M | Oct 27, 2026 | 50 |
| 89 | Arcee AI | Series B | $150M | Sep 16, 2026 | 45 |

### Growth Signals

> Who is hiring evaluation or post-training engineers right now? They need eval and training data.

69 matching job posts in the last 30 days. The 8 companies with the strongest signal.

| Fit | Company | Signal | Posted | Employees |
|---|---|---|---|---|
| 94 | Iterable | 9 open roles: Senior Machine Learning Engineer, Agentic Evals and Self-Improvement (Nova) | Nov 7, 2026 | 883 |
| 92 | Toyota Research Institute | 4 open roles: Postdoctoral AI Fellow, Post-Training for Materials Discovery | Oct 29, 2026 | 471 |
| 87 | Harvey | 4 open roles: Research Engineer / Scientist, Data & Evals | Oct 31, 2026 | 2,019 |
| 87 | Prime Intellect | 3 open roles: Research Engineer - Data and Evaluation | Oct 27, 2026 | 81 |
| 86 | Pony.ai | 2 open roles: Software Engineer - Evaluation | Oct 26, 2026 | 514 |
| 85 | Profound | Hiring: Member of Technical Staff, Evals and Post-Training | Oct 29, 2026 | 451 |
| 83 | Deepgram | 2 open roles: Research Engineer, Post-Training | Oct 19, 2026 | 387 |
| 82 | Aurora | 4 open roles: Senior Software Engineer, ML Evaluation & Introspection Infrastructure | Oct 23, 2026 | 2,630 |

### Enrich Contacts

> Find the research or data leader at each, with a verified work email.

Checked 15 decision makers. 8 have a verified work email at their current company; emails stay hidden here.

| Company | Name | Title | Email | Status |
|---|---|---|---|---|
| Harvey | Siva G. | Chief Technology Officer | s•••@harvey.ai | Verified |
| Cradlewise | Bharath Patil | Chief Technology Officer | b•••@cradlewise.com | Verified |
| Deepgram | Adam Sypniewski | Chief Technology Officer | a•••@deepgram.com | Verified |
| RapidCanvas | Jim Wells | Vice President & General Manager, Enterprise AI Solutions | j•••@rapidcanvas.ai | Verified |
| Prime Intellect | Johannes Hagemann | co-founder / CTO | j•••@primeintellect.ai | Verified |
| Profound | Dylan Babbs | Co-founder, CTO | d•••@tryprofound.com | Verified |
| Aurora | Juan Argote | Senior Director of Aurora Data Solutions | j•••@aurora.tech | Verified |
| Toyota Research Institute | David B. | Director, Research Software Engineering and AI/Agile Coach | d•••@tri.global | Verified |

## Selling to this industry instead?

- [Find Data labeling buyers](https://revnu.com/find/data-labeling)
- [Data labeling marketing guide](https://revnu.com/grow/data-labeling-company)
- [AI model launches play](https://revnu.com/docs/play-ai-model-launches)
- [Eval engineer hiring play](https://revnu.com/docs/play-eval-engineer-hiring)
- [Revnu for SaaS](https://revnu.com/for/saas)
- [Revnu for AI startups](https://revnu.com/for/ai-startups)
- [Revnu for Developer tools](https://revnu.com/for/developer-tools)
- [All industries](https://revnu.com/for)

## FAQ

### Which data labeling companies is Revnu for?

Companies selling training data, RLHF, evals, expert annotation and data operations to AI labs, ML teams and enterprises building models. Revnu reads your site, works out which teams buy and finds more of them.

### How does it know a team needs data now?

From public signals: a new round, job posts for eval, post-training and ML data engineers, a model launch or a new benchmark. Each team comes with the reason now, so the first line of every email is about them.

### Who does it reach?

The head of data, research lead or ML engineering lead at a lab, and the founder or CTO at a smaller AI company. You see who and why before anything goes out.

### Can it get us found when AI teams ask for a data vendor?

Yes. Revnu checks what ChatGPT, Claude and Perplexity say when buyers ask for training data or eval providers, then writes the comparison and guide pages that get you cited.

### How do I get started with Revnu for Data labeling?

Sign up at revnu.com/sign-up and give Revnu your website. It confirms who buys from you, then does its first piece of work, usually a list of companies that fit and a first email for you to approve. The step-by-step guide is at revnu.com/docs/get-started, and revnu.com/docs/find-leads explains how Revnu finds and checks each company.

### Are the companies in the demo real?

Yes. The companies, counts, funding and headquarters are a dated snapshot of the data Revnu searches: company, funding, job-post and people data from third-party providers, plus the public web. The people and companies in the buyers example are made up, because we don't publish real people's contact details.

### Does Revnu send anything without me?

Only what you allow. Three steps, in order. First, your first sequence waits for you to read and approve it. Then Settings > Agent > What Needs Your Approval decides: on Pro, a new sequence starts on its own and its steps send without asking each time, while one-off emails, LinkedIn invites and LinkedIn messages ask first. Switch any of them either way. And whatever you set, replies to prospects, spend, budgets, booking links and new inboxes always wait for your yes.

### How fast does it start?

Revnu prepares its first piece of work, such as a list of buyers or a blog draft, within minutes of starting. Email from your own Gmail or Outlook can go out the same day; new sending inboxes Revnu buys warm up first, which takes days to weeks.

### What does it cost?

Pro is from $99 a month, with no minimum term, and you can cancel from billing settings. Sending domains, inboxes and lead data are included. Ad spend is billed by the ad platforms to your own accounts. If you want Revnu's team to run it with you, Managed is priced on a call.

## Machine-readable resources

- LLM index: https://revnu.com/llms.txt
- Full LLM context: https://revnu.com/llms-full.txt