Company lists · Data refreshed September 2026
Top 18 AI testing and evaluation platforms based in the United States
RevenueBase identified 67 company matches for AI testing and evaluation platforms associated with the United States as of September 2026 and tracks 3,619 professional contacts across them, including 398 with verified work emails. San Francisco is the largest hub.
This list covers company matches for AI testing and evaluation platforms associated with the United States, 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 27, 2026.
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 18 largest AI testing and evaluation platforms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,323 contacts → | ||||
Exact match “Kaggle is a global community of practitioners, researchers, and enthusiasts building and advancing the frontier of AI.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 967 contacts → | ||||
Exact match “Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 401 contacts → | ||||
Exact match “Build Super Accurate AI with us.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 92 contacts → | ||||
Exact match “Galileo Technologies Inc, now part of Cisco, has fully transitioned to be a part of the Cisco brand.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 85 contacts → | ||||
Exact match “Comet has been building AI developer tools since 2017, first for teams training their own models, and later for those building LLM-powered agents.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 81 contacts → | ||||
Exact match “RagaAI builds AI agents for healthcare and clinical research, taking the manual, repetitive work off teams so they can focus on patients and outcomes.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 61 contacts → | ||||
Exact match “At Aligned, we believe that as AI models become more sophisticated, deep subject-matter expertise becomes essential to push the frontier of AI performance and ensure these systems…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 29 contacts → | ||||
Exact match “Essential AI is on a mission to make frontier AI more accessible through an open, collaborative platform.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 26 contacts → | ||||
Exact match “Trusted by Fortune 100s, Arthur enables you to discover every agent, enforce policies at scale, and ship reliable AI across ML, GenAI, and agentic systems.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 17 contacts → | ||||
Exact match “With our expertise in testing analog, digital, RF, microwave, and fiber optic sub-assemblies, we excel in delivering advanced ATE (Automated Test Equipment) systems.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “Langfuse is an open source AI engineering platform.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “Evaluate AI Agents before launch, supervise in production, and publish human readable proof across any vendor or system.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Confident AI an AI quality platform and is the easiest way for any organization to build reliable AI.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “FixturFab envisions hardware testing at the speed of software, empowering design teams with AI-driven test plans and custom equipment for PCBA testing from prototype to production.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “A collaborative AI observability platform.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Sensepoint is a new kind of Gen3 AI that assesses the warranted confidence of your existing Gen2 AI/ML applications and can formulate and execute plans to improve them in…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “We enable AI at scale.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “The Rehearsal Studio for AI Agents” Recorded in the RevenueBase company graph · Sep 27, 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 “AI testing and evaluation platforms”. 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 18 of 67 AI testing and evaluation platforms based in the United States
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AI testing and evaluation platforms based in the United States at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 67 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “AI testing and evaluation platforms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 398 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 27, 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.
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 “AI testing and evaluation platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many AI testing and evaluation platforms are there based in the United States?
RevenueBase identified 67 company matches for AI testing and evaluation platforms associated with the United States 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?
Kaggle tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most AI testing and evaluation platforms?
San Francisco leads with 19 company records, followed by New York (4) and Seattle (3).
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 398 professional contacts with verified work emails tracked across these 67 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 27, 2026.
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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 18 AI testing and evaluation platforms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 67 matching company records for AI testing and evaluation platforms based in the United States, with 3,619 tracked contacts and 398 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 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 18 AI testing and evaluation platforms based in the United States
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 |  Kagglekaggle.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 1,323 contacts → |
“Kaggle is a global community of practitioners, researchers, and enthusiasts building and advancing the frontier of AI.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Snorkel AIsnorkel.aiHQ: Redwood City, CA, United StatesReported employees: 201-500 | Redwood City, CA, United States | 201-500 | Exact match | 967 contacts → |
“Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Deccan AIdeccan.aiHQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 401 contacts → |
“Build Super Accurate AI with us.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Galileogalileo.aiHQ: Burlingame, CA, United StatesReported employees: 51-200 | Burlingame, CA, United States | 51-200 | Exact match | 92 contacts → |
“Galileo Technologies Inc, now part of Cisco, has fully transitioned to be a part of the Cisco brand.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  COMETcomet.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 85 contacts → |
“Comet has been building AI developer tools since 2017, first for teams training their own models, and later for those building LLM-powered agents.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ragaai INCraga.aiHQ: San Francisco Bay, CA, United StatesReported employees: 51-200 | San Francisco Bay, CA, United States | 51-200 | Exact match | 81 contacts → |
“RagaAI builds AI agents for healthcare and clinical research, taking the manual, repetitive work off teams so they can focus on patients and outcomes.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Aligned Labsalignedhq.aiHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 61 contacts → |
“At Aligned, we believe that as AI models become more sophisticated, deep subject-matter expertise becomes essential to push the frontier of AI performance and ensure these systems…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Essential AIessential.aiHQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 29 contacts → |
“Essential AI is on a mission to make frontier AI more accessible through an open, collaborative platform.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Arthurarthur.aiHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 26 contacts → |
“Trusted by Fortune 100s, Arthur enables you to discover every agent, enforce policies at scale, and ship reliable AI across ML, GenAI, and agentic systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | In-Phase Technologiesin-phasetech.com HQ: Bordentown, NJ, United StatesReported employees: 11-50 | Bordentown, NJ, United States | 11-50 | Exact match | 17 contacts → |
“With our expertise in testing analog, digital, RF, microwave, and fiber optic sub-assemblies, we excel in delivering advanced ATE (Automated Test Equipment) systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Langfuselangfuse.comHQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 15 contacts → |
“Langfuse is an open source AI engineering platform.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Swept AIswept.ai HQ: Saginaw, MI, United StatesReported employees: 1-10 | Saginaw, MI, United States | 1-10 | Exact match | 9 contacts → |
“Evaluate AI Agents before launch, supervise in production, and publish human readable proof across any vendor or system.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Confident AIconfident-ai.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 6 contacts → |
“Confident AI an AI quality platform and is the easiest way for any organization to build reliable AI.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fixturfabfixturfab.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 4 contacts → |
“FixturFab envisions hardware testing at the speed of software, empowering design teams with AI-driven test plans and custom equipment for PCBA testing from prototype to production.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Evidently AIevidentlyai.comHQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 3 contacts → |
“A collaborative AI observability platform.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sensepoint-Aisensepoint-ai.comHQ: Cambridge, MA, United StatesReported employees: 1-10 | Cambridge, MA, United States | 1-10 | Exact match | 2 contacts → |
“Sensepoint is a new kind of Gen3 AI that assesses the warranted confidence of your existing Gen2 AI/ML applications and can formulate and execute plans to improve them in…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Radiant AIradiantai.comHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 2 contacts → |
“We enable AI at scale.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Stratalinkstratalink.ioHQ: Charlotte, NC, United StatesReported employees: 1-10 | Charlotte, NC, United States | 1-10 | Exact match | 2 contacts → |
“The Rehearsal Studio for AI Agents” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 67 company matches
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AI testing and evaluation platforms: dataset insights
September 27, 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
67 records in the displayed employee bands.
0 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 67 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 27, 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 ↗
Questions about this company list
What does Exact match mean for AI testing and evaluation platforms?
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 AI testing and evaluation platforms did RevenueBase find based in the United States?
The saved snapshot records 67 matching company records, 3,619 tracked contacts and 398 verified emails. The public preview displays 18 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 27, 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
Cite this list
RevenueBase Data Team. Top 18 AI testing and evaluation platforms based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/ai-testing-and-evaluation-platforms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 18 AI testing and evaluation platforms based in the United States
RevenueBase records 67 matching company records for AI testing and evaluation platforms based in the United States, with 3,619 tracked contacts and 398 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 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 18 AI testing and evaluation platforms based in the United States
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 | Kagglekaggle.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 1,323 contacts → |
“Kaggle is a global community of practitioners, researchers, and enthusiasts building and advancing the frontier of AI.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Snorkel AIsnorkel.ai HQ: Redwood City, CA, United StatesReported employees: 201-500 | Redwood City, CA, United States | 201-500 | Exact match | 967 contacts → |
“Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Deccan AIdeccan.ai HQ: Mountain View, CA, United StatesReported employees: 51-200 | Mountain View, CA, United States | 51-200 | Exact match | 401 contacts → |
“Build Super Accurate AI with us.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Galileogalileo.ai HQ: Burlingame, CA, United StatesReported employees: 51-200 | Burlingame, CA, United States | 51-200 | Exact match | 92 contacts → |
“Galileo Technologies Inc, now part of Cisco, has fully transitioned to be a part of the Cisco brand.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | COMETcomet.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 85 contacts → |
“Comet has been building AI developer tools since 2017, first for teams training their own models, and later for those building LLM-powered agents.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ragaai INCraga.ai HQ: San Francisco Bay, CA, United StatesReported employees: 51-200 | San Francisco Bay, CA, United States | 51-200 | Exact match | 81 contacts → |
“RagaAI builds AI agents for healthcare and clinical research, taking the manual, repetitive work off teams so they can focus on patients and outcomes.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Aligned Labsalignedhq.ai HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 61 contacts → |
“At Aligned, we believe that as AI models become more sophisticated, deep subject-matter expertise becomes essential to push the frontier of AI performance and ensure these systems…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Essential AIessential.ai HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 29 contacts → |
“Essential AI is on a mission to make frontier AI more accessible through an open, collaborative platform.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Arthurarthur.ai HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 26 contacts → |
“Trusted by Fortune 100s, Arthur enables you to discover every agent, enforce policies at scale, and ship reliable AI across ML, GenAI, and agentic systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | In-Phase Technologiesin-phasetech.com HQ: Bordentown, NJ, United StatesReported employees: 11-50 | Bordentown, NJ, United States | 11-50 | Exact match | 17 contacts → |
“With our expertise in testing analog, digital, RF, microwave, and fiber optic sub-assemblies, we excel in delivering advanced ATE (Automated Test Equipment) systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Langfuselangfuse.com HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 15 contacts → |
“Langfuse is an open source AI engineering platform.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Swept AIswept.ai HQ: Saginaw, MI, United StatesReported employees: 1-10 | Saginaw, MI, United States | 1-10 | Exact match | 9 contacts → |
“Evaluate AI Agents before launch, supervise in production, and publish human readable proof across any vendor or system.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Confident AIconfident-ai.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 6 contacts → |
“Confident AI an AI quality platform and is the easiest way for any organization to build reliable AI.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fixturfabfixturfab.com HQ: Seattle, WA, United StatesReported employees: 1-10 | Seattle, WA, United States | 1-10 | Exact match | 4 contacts → |
“FixturFab envisions hardware testing at the speed of software, empowering design teams with AI-driven test plans and custom equipment for PCBA testing from prototype to production.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Evidently AIevidentlyai.com HQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 3 contacts → |
“A collaborative AI observability platform.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sensepoint-Aisensepoint-ai.com HQ: Cambridge, MA, United StatesReported employees: 1-10 | Cambridge, MA, United States | 1-10 | Exact match | 2 contacts → |
“Sensepoint is a new kind of Gen3 AI that assesses the warranted confidence of your existing Gen2 AI/ML applications and can formulate and execute plans to improve them in…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Radiant AIradiantai.com HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 2 contacts → |
“We enable AI at scale.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Stratalinkstratalink.io HQ: Charlotte, NC, United StatesReported employees: 1-10 | Charlotte, NC, United States | 1-10 | Exact match | 2 contacts → |
“The Rehearsal Studio for AI Agents” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 67 company matches
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AI testing and evaluation platforms: dataset insights
September 27, 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
67 records in the displayed employee bands.
0 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 67 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 27, 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 ↗
Questions about this company list
What does Exact match mean for AI testing and evaluation platforms?
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 AI testing and evaluation platforms did RevenueBase find based in the United States?
The saved snapshot records 67 matching company records, 3,619 tracked contacts and 398 verified emails. The public preview displays 18 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 27, 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
Cite this list
RevenueBase Data Team. Top 18 AI testing and evaluation platforms based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/ai-testing-and-evaluation-platforms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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