Company lists · Data refreshed September 2026
Top 25 Machine learning data preparation services worldwide
RevenueBase identified 909 company matches for machine learning data preparation services worldwide as of September 2026 and tracks 20,615 professional contacts across them, including 3,518 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for machine learning data preparation services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026. Country and city lists for machine learning data preparation services follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest machine learning data preparation services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,538 contacts → | ||||
Exact match “iMerit is a leader in expert data solutions for training, tuning and evaluating AI models and computer vision systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 1,272 contacts → | ||||
Exact match “Objectways is an AI data solutions company trusted by Fortune 500 enterprises and high-growth AI teams worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 1,244 contacts → | ||||
Exact match “Strengthen your entire data journey with Domo’s AI and data products.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 977 contacts → | ||||
Exact match “provides ML data operations support with Human-in-the-loop for LLMs and autonomous systems, focusing on AI/ML model training and annotation services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 751 contacts → | ||||
Exact match “Cogito Tech is a global managed service provider specializing in scalable data development tailored for AI model development.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 732 contacts → | ||||
Exact match “Toloka is the global leader in human-powered data solutions for AI development.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 524 contacts → | ||||
Exact match “With 27+ years of experience, Welo Data is the human-centered infrastructure for globally effective AI.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 441 contacts → | ||||
Exact match “Labelbox builds and operates reinforcement learning data factories for the world’s leading AI labs and enterprises, powering the next generation of frontier models and AI…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 231 contacts → | ||||
Exact match “Abaka AI delivers human intelligence data for frontier AI, helping power advanced systems through a trustworthy data platform.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 208 contacts → | ||||
Exact match “Lifewood Data Technology is a global AI data services company headquartered in Hong Kong.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 207 contacts → | ||||
Exact match “We provide accurate and reliable machine learning products and solutions (on-premises) for the Government and Private sector players.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 181 contacts → | ||||
Exact match “Supahands provides fully managed data labelling services for machine learning.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 161 contacts → | ||||
Exact match “With three decades at the forefront of applied AI and machine learning, Elder Research, a MANTECH company, gives large organizations and government agencies a surefire way to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 154 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 148 contacts → | ||||
Exact match “Label Your Data is a data annotation & labeling company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 144 contacts → | ||||
Exact match “Wow AI | Powered by AIxBlock - is an.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 133 contacts → | ||||
Exact match “BDB.ai is a Gartner 30 ranked Unified Data Analytics and Machine Learning platform, developed by the former R&D team of BusinessObjects, Paris.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 128 contacts → | ||||
Exact match “Prosessor.AI is a high-grade AI/ML data provider company for a smarter world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 107 contacts → | ||||
Exact match “Fueling the AI age.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 89 contacts → | ||||
Exact match “Macgence is a leading AI training data company at the forefront of providing exceptional human-in-the-loop solutions to make AI better.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 85 contacts → | ||||
Exact match “Data Wow is an expert in data processing and a leader in AI development.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 78 contacts → | ||||
Exact match “With State-of-the-art Data Science solutions, Artificial Intelligence, Machine learning algorithms, Advanced Predictive Modeling, and interactive data visualization, it ensures…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 78 contacts → | ||||
Exact match “HumanSignal enables data science teams to build AI models with their company DNA.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 76 contacts → | ||||
Exact match “AI Workspace has bagged a unique position in deliberating Sourcing, Data Annotation, and Generative AI services thereby initializing supervised learning for Machine Learning…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 73 contacts → | ||||
Exact match “Pacific Data Integrators (PDI) helps enterprises modernize data platforms, improve data quality, accelerate cloud migration, and operationalize AI across Informatica, Salesforce…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “machine learning data preparation services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 909 machine learning data preparation services worldwide
See the full list, filter by size, metro and specialty, and access 3,518 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Machine learning data preparation services worldwide at a glance
As of Sep 28, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for machine learning data preparation services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “machine learning data preparation services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 3,518 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Machine learning data preparation services by location
3 lists · largest firstEvery Machine learning data preparation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “machine learning data preparation services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many machine learning data preparation services are there worldwide?
RevenueBase identified 909 company matches for machine learning data preparation services worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Imerit Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most machine learning data preparation services?
The United States leads with 195 companies, followed by India (123) and the United Kingdom (49). Every machine learning data preparation services list by country and city is linked on this page.
Which city has the most machine learning data preparation services?
London leads with 33 company records, followed by San Francisco (16) and New York (14).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,518 professional contacts with verified work emails tracked across these 909 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 909 machine learning data preparation services worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 25 machine learning data preparation services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 909 matching company records for machine learning data preparation services worldwide, with 20,615 tracked contacts and 3,518 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 machine learning data preparation services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Imerit Technologyimerit.aiHQ: San Jose, CA, United StatesReported employees: 10001+ | San Jose, CA, United States | 10001+ | Exact match | 6,538 contacts → |
“iMerit is a leader in expert data solutions for training, tuning and evaluating AI models and computer vision systems.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Objectwaysobjectways.comHQ: Scottsdale, AZ, United StatesReported employees: 1,001-5,000 | Scottsdale, AZ, United States | 1,001-5,000 | Exact match | 1,272 contacts → |
“Objectways is an AI data solutions company trusted by Fortune 500 enterprises and high-growth AI teams worldwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  DOMOdomo.comHQ: American Fork, UT, United StatesReported employees: 501-1,000 | American Fork, UT, United States | 501-1,000 | Exact match | 1,244 contacts → |
“Strengthen your entire data journey with Domo’s AI and data products.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Digital Divide Data DDDdigitaldividedata.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 977 contacts → |
“provides ML data operations support with Human-in-the-loop for LLMs and autonomous systems, focusing on AI/ML model training and annotation services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cogito Techcogitotech.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 751 contacts → |
“Cogito Tech is a global managed service provider specializing in scalable data development tailored for AI model development.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tolokatoloka.ai HQ: Amsterdam, NetherlandsReported employees: Not recorded | Amsterdam, Netherlands | Not recorded | Exact match | 732 contacts → |
“Toloka is the global leader in human-powered data solutions for AI development.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Welo Datat.mtrbio.comHQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 524 contacts → |
“With 27+ years of experience, Welo Data is the human-centered infrastructure for globally effective AI.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Labelboxlabelbox.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 441 contacts → |
“Labelbox builds and operates reinforcement learning data factories for the world’s leading AI labs and enterprises, powering the next generation of frontier models and AI…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Abaka AIabaka.aiHQ: Palo Alto, United StatesReported employees: 51-200 | Palo Alto, United States | 51-200 | Exact match | 231 contacts → |
“Abaka AI delivers human intelligence data for frontier AI, helping power advanced systems through a trustworthy data platform.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Lifewood Data Technology LTDlifewood.comHQ: San Jose, United StatesReported employees: 1,001-5,000 | San Jose, United States | 1,001-5,000 | Exact match | 208 contacts → |
“Lifewood Data Technology is a global AI data services company headquartered in Hong Kong.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Pinaca Technologiespinacalabs.comHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 207 contacts → |
“We provide accurate and reliable machine learning products and solutions (on-premises) for the Government and Private sector players.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Supahandssupahands.ai HQ: Kuala Lumpur, MalaysiaReported employees: Not recorded | Kuala Lumpur, Malaysia | Not recorded | Exact match | 181 contacts → |
“Supahands provides fully managed data labelling services for machine learning.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Elder Researchelderresearch.comHQ: Charlottesville, VA, United StatesReported employees: 51-200 | Charlottesville, VA, United States | 51-200 | Exact match | 161 contacts → |
“With three decades at the forefront of applied AI and machine learning, Elder Research, a MANTECH company, gives large organizations and government agencies a surefire way to…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Enlume INCenlume.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 154 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Label Your Datalabelyourdata.comHQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 148 contacts → |
“Label Your Data is a data annotation & labeling company.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  WOW AIaixblock.ioHQ: Newark, DE, United StatesReported employees: 201-500 | Newark, DE, United States | 201-500 | Exact match | 144 contacts → |
“Wow AI | Powered by AIxBlock - is an.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  bdb.aibdb.aiHQ: Bengaluru, IndiaReported employees: 51-200 | Bengaluru, India | 51-200 | Exact match | 133 contacts → |
“BDB.ai is a Gartner 30 ranked Unified Data Analytics and Machine Learning platform, developed by the former R&D team of BusinessObjects, Paris.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Prosessor.ai Data & Language Servicesprosessor-ai.comHQ: Istanbul, TürkiyeReported employees: Not recorded | Istanbul, Türkiye | Not recorded | Exact match | 128 contacts → |
“Prosessor.AI is a high-grade AI/ML data provider company for a smarter world.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Tika Datatika-data.comHQ: Bengaluru, IndiaReported employees: 51-200 | Bengaluru, India | 51-200 | Exact match | 107 contacts → |
“Fueling the AI age.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Macgencemacgence.comHQ: Noida, IndiaReported employees: 201-500 | Noida, India | 201-500 | Exact match | 89 contacts → |
“Macgence is a leading AI training data company at the forefront of providing exceptional human-in-the-loop solutions to make AI better.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Data WOWdatawow.ioHQ: Bangkok, ThailandReported employees: 51-200 | Bangkok, Thailand | 51-200 | Exact match | 85 contacts → |
“Data Wow is an expert in data processing and a leader in AI development.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  BLU Parrotbluparrot.inHQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 78 contacts → |
“With State-of-the-art Data Science solutions, Artificial Intelligence, Machine learning algorithms, Advanced Predictive Modeling, and interactive data visualization, it ensures…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Humansignalhumansignal.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 78 contacts → |
“HumanSignal enables data science teams to build AI models with their company DNA.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  AIW AI Workspaceai-workspace.comHQ: Wilmington, DE, United StatesReported employees: 1,001-5,000 | Wilmington, DE, United States | 1,001-5,000 | Exact match | 76 contacts → |
“AI Workspace has bagged a unique position in deliberating Sourcing, Data Annotation, and Generative AI services thereby initializing supervised learning for Machine Learning…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Pacific Data Integratorspacificdataintegrators.comHQ: Roseville, CA, United StatesReported employees: 51-200 | Roseville, CA, United States | 51-200 | Exact match | 73 contacts → |
“Pacific Data Integrators (PDI) helps enterprises modernize data platforms, improve data quality, accelerate cloud migration, and operationalize AI across Informatica, Salesforce…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 909 company matches
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Machine learning data preparation services: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
907 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 909 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Machine learning data preparation services by location
3 lists · largest firstEvery Machine learning data preparation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for machine learning data preparation services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many machine learning data preparation services did RevenueBase find worldwide?
The saved snapshot records 909 matching company records, 20,615 tracked contacts and 3,518 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 machine learning data preparation services worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/machine-learning-data-preparation-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 machine learning data preparation services worldwide
RevenueBase records 909 matching company records for machine learning data preparation services worldwide, with 20,615 tracked contacts and 3,518 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 machine learning data preparation services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Imerit Technologyimerit.ai HQ: San Jose, CA, United StatesReported employees: 10001+ | San Jose, CA, United States | 10001+ | Exact match | 6,538 contacts → |
“iMerit is a leader in expert data solutions for training, tuning and evaluating AI models and computer vision systems.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Objectwaysobjectways.com HQ: Scottsdale, AZ, United StatesReported employees: 1,001-5,000 | Scottsdale, AZ, United States | 1,001-5,000 | Exact match | 1,272 contacts → |
“Objectways is an AI data solutions company trusted by Fortune 500 enterprises and high-growth AI teams worldwide.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | DOMOdomo.com HQ: American Fork, UT, United StatesReported employees: 501-1,000 | American Fork, UT, United States | 501-1,000 | Exact match | 1,244 contacts → |
“Strengthen your entire data journey with Domo’s AI and data products.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Digital Divide Data DDDdigitaldividedata.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 977 contacts → |
“provides ML data operations support with Human-in-the-loop for LLMs and autonomous systems, focusing on AI/ML model training and annotation services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cogito Techcogitotech.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 751 contacts → |
“Cogito Tech is a global managed service provider specializing in scalable data development tailored for AI model development.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tolokatoloka.ai HQ: Amsterdam, NetherlandsReported employees: Not recorded | Amsterdam, Netherlands | Not recorded | Exact match | 732 contacts → |
“Toloka is the global leader in human-powered data solutions for AI development.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Welo Datat.mtrbio.com HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 524 contacts → |
“With 27+ years of experience, Welo Data is the human-centered infrastructure for globally effective AI.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Labelboxlabelbox.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 441 contacts → |
“Labelbox builds and operates reinforcement learning data factories for the world’s leading AI labs and enterprises, powering the next generation of frontier models and AI…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Abaka AIabaka.ai HQ: Palo Alto, United StatesReported employees: 51-200 | Palo Alto, United States | 51-200 | Exact match | 231 contacts → |
“Abaka AI delivers human intelligence data for frontier AI, helping power advanced systems through a trustworthy data platform.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Lifewood Data Technology LTDlifewood.com HQ: San Jose, United StatesReported employees: 1,001-5,000 | San Jose, United States | 1,001-5,000 | Exact match | 208 contacts → |
“Lifewood Data Technology is a global AI data services company headquartered in Hong Kong.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Pinaca Technologiespinacalabs.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 207 contacts → |
“We provide accurate and reliable machine learning products and solutions (on-premises) for the Government and Private sector players.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Supahandssupahands.ai HQ: Kuala Lumpur, MalaysiaReported employees: Not recorded | Kuala Lumpur, Malaysia | Not recorded | Exact match | 181 contacts → |
“Supahands provides fully managed data labelling services for machine learning.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Elder Researchelderresearch.com HQ: Charlottesville, VA, United StatesReported employees: 51-200 | Charlottesville, VA, United States | 51-200 | Exact match | 161 contacts → |
“With three decades at the forefront of applied AI and machine learning, Elder Research, a MANTECH company, gives large organizations and government agencies a surefire way to…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Enlume INCenlume.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 154 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Label Your Datalabelyourdata.com HQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 148 contacts → |
“Label Your Data is a data annotation & labeling company.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | WOW AIaixblock.io HQ: Newark, DE, United StatesReported employees: 201-500 | Newark, DE, United States | 201-500 | Exact match | 144 contacts → |
“Wow AI | Powered by AIxBlock - is an.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | bdb.aibdb.ai HQ: Bengaluru, IndiaReported employees: 51-200 | Bengaluru, India | 51-200 | Exact match | 133 contacts → |
“BDB.ai is a Gartner 30 ranked Unified Data Analytics and Machine Learning platform, developed by the former R&D team of BusinessObjects, Paris.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Prosessor.ai Data & Language Servicesprosessor-ai.com HQ: Istanbul, TürkiyeReported employees: Not recorded | Istanbul, Türkiye | Not recorded | Exact match | 128 contacts → |
“Prosessor.AI is a high-grade AI/ML data provider company for a smarter world.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Tika Datatika-data.com HQ: Bengaluru, IndiaReported employees: 51-200 | Bengaluru, India | 51-200 | Exact match | 107 contacts → |
“Fueling the AI age.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Macgencemacgence.com HQ: Noida, IndiaReported employees: 201-500 | Noida, India | 201-500 | Exact match | 89 contacts → |
“Macgence is a leading AI training data company at the forefront of providing exceptional human-in-the-loop solutions to make AI better.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Data WOWdatawow.io HQ: Bangkok, ThailandReported employees: 51-200 | Bangkok, Thailand | 51-200 | Exact match | 85 contacts → |
“Data Wow is an expert in data processing and a leader in AI development.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | BLU Parrotbluparrot.in HQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 78 contacts → |
“With State-of-the-art Data Science solutions, Artificial Intelligence, Machine learning algorithms, Advanced Predictive Modeling, and interactive data visualization, it ensures…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Humansignalhumansignal.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 78 contacts → |
“HumanSignal enables data science teams to build AI models with their company DNA.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | AIW AI Workspaceai-workspace.com HQ: Wilmington, DE, United StatesReported employees: 1,001-5,000 | Wilmington, DE, United States | 1,001-5,000 | Exact match | 76 contacts → |
“AI Workspace has bagged a unique position in deliberating Sourcing, Data Annotation, and Generative AI services thereby initializing supervised learning for Machine Learning…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pacific Data Integratorspacificdataintegrators.com HQ: Roseville, CA, United StatesReported employees: 51-200 | Roseville, CA, United States | 51-200 | Exact match | 73 contacts → |
“Pacific Data Integrators (PDI) helps enterprises modernize data platforms, improve data quality, accelerate cloud migration, and operationalize AI across Informatica, Salesforce…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 909 company matches
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Machine learning data preparation services: dataset insights
September 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
907 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 909 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Machine learning data preparation services by location
3 lists · largest firstEvery Machine learning data preparation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for machine learning data preparation services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many machine learning data preparation services did RevenueBase find worldwide?
The saved snapshot records 909 matching company records, 20,615 tracked contacts and 3,518 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 machine learning data preparation services worldwide. Snapshot: September 28, 2026. https://revenuebase.ai/companies/browse/machine-learning-data-preparation-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗