Appen supplies AI labs and product teams with human-produced training data, annotation, expert feedback, RL environments, and model evaluations for machine-learning and agentic AI systems.
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What they offer
Domain
Data sources1
Centific sells multimodal AI training data, human annotation, model evaluations, and simulated enterprise RL environments to frontier AI labs and enterprise AI teams.
Claru provides custom and licensed video, robotics demonstrations, and human annotations to AI labs building robotics, embodied AI, and world models.
Dataloop sells an AI data-development platform and on-demand annotation services to enterprises and AI teams, helping them organize, label, quality-check, and route multimodal data into AI training and production workflows.
Defined.ai sells licensed, multilingual AI training datasets and provides custom data collection, annotation, evaluation and model fine-tuning services to organizations developing AI.
Dissei sells finance-focused RL environments, evaluation benchmarks, and real-transaction training data and analyst trajectories to AI labs and model developers, as well as financial institutions building or assessing models.
Flevy, a business-template marketplace, runs Flevy Business Data Services, which catalogs documents held by firms and professionals and pitches that inventory to AI labs for licensing; it also connects labs with contributors for consulting and evaluation work.
Good Start Labs builds game-based reinforcement-learning environments, turns gameplay into human and synthetic training data, and publishes evaluation benchmarks for AI labs. It also helps game publishers capture gameplay data and put AI agents into their games.
Handshake supplies frontier AI developers with expert-created training and evaluation data, reinforcement-learning environments, and licensed, de-identified operational records from real companies.
HUD sells an SDK and cloud platform for building, running and grading reinforcement-learning environments, turning agent runs into evaluation results and training data. Through its DataVendor marketplace, organizations license private data such as codebases, tasksets and environments to invited AI buyers.
A marketplace that curates and licenses human-contributed and rights-holder datasets—including video, images, audio, and text—for AI labs, research institutions, and enterprises training models.
Labelbox sells simulated reinforcement-learning environments, expert-generated preference and training data, and evaluation services to frontier AI labs; it also offers enterprise teams software for running agents on real company workflows.
Mercor sells expert-created training data, reinforcement-learning environments, and evaluations and benchmarks to frontier AI labs and other AI developers. It also offers enterprise data licensing and evaluation services.
Metaphi sells custom and reusable simulated work environments, training datasets, and agent evaluations to frontier AI labs and enterprise AI teams, helping them train and assess agents on realistic software, finance, and content-generation tasks.
Midcentury sells real-world human-action and gameplay datasets, along with cloud simulation tools, to robotics developers, AI labs, and enterprises training and evaluating physical AI systems.
Miro Advisory helps established businesses license their operating history (support tickets, reconciliations, dispatches, approvals and other workflow records) and software companies license private codebases with their commit, issue and review history, to AI developers for training and evaluation. It acts as an advisor and intermediary: it handles qualification, rights review, buyer discussions and the licensing process.
Mode buys copies of company-owned operating records, removes sensitive material or transforms personal identifiers, and resells the prepared data for AI research and training. This profile covers its company-data offering; Mode separately operates a consumer-data business supplying AI buyers.
Navaday supplies expert-created training data and model evaluations across professional and technical fields. It manages specialists who write examples, correct existing data, compare model answers and produce held-out test sets. It also prepares and helps license business records for AI development.
Normal publishes CAD benchmarks, datasets, and technical reports for AI developers working on hardware design; CAD Arena evaluates how agents reconstruct real mechanical parts from engineering drawings as editable CAD models.
Nyne AI licenses workflow data from companies, de-identifies it and prepares training and evaluation datasets for AI labs, and connects labs with domain specialists. It also sells people and company data APIs built on its identity graph.
Ooak Data licenses and anonymizes real company workflows, then turns them into RL training and evaluation environments for frontier AI labs and teams building enterprise agents.
Petrarch sources operational records from companies under signed agreements, de-identifies them with its in-house Lindo software inside the supplier's environment, and licenses or sells the prepared datasets to AI labs and applied AI startups as training data.
Protege licenses data from hundreds of partner organizations, curates it and de-identifies health records, and licenses the resulting datasets to AI developers for pre-training, post-training and evaluation across healthcare, video, audio and speech, and spatial and physical data. It also runs independent, double-blind evaluations of healthcare AI models on de-identified patient records.
Replay pays companies for their work history (code, internal docs, support tickets, CRM and financial records), strips personal identifiers and licenses the cleaned datasets to frontier AI and data labs. The same company runs Sunset, a startup wind-down service.
San Francisco Data prepares and licenses training data derived from companies’ production AI traces, starting with coding agents. Its research work turns recorded interactions into reproducible tasks and training environments for frontier models.
San Francisco company that builds finance and coding RL environments, with tasks created by private equity professionals and senior software engineers, and sells ready-made environments, custom tasks, model evaluations and human preference data to frontier AI labs.
Sieve supplies AI labs and model developers with curated or custom-collected video, audio, image, and interaction data, plus annotations, evaluation sets, and interactive environments.
SimpleClosure’s AssetHub connects startups with AI buyers interested in licensing or acquiring source code and workspace data.
Telegraph Lab sources and licenses business records for AI training. It reviews data rights, prepares datasets through de-identification and structuring, and arranges delivery to AI labs. Its sources include workplace communications, business-system records, company files and operating histories.
The General Data Company licenses anonymized records and workflow-based datasets from European businesses to AI labs for model training and evaluation, including held-out benchmarks and reinforcement-learning environments.
Troveo licenses and packages rights-cleared real-world data—including video, audio, text, business workflows, gaming and robotics—for AI labs and model developers, with custom sourcing and annotation.
Verita supplies vetted domain experts and manages project operations for AI labs, producing annotation, human-feedback and evaluation work, training data, and support for reinforcement-learning environments.
Watt sources, prepares and licenses private operational datasets for AI training and evaluation, with a current emphasis on energy and industrial records. This profile covers that company-data offering; Watt also operates a behavioral-data Signal Graph, and its bulk catalog includes intent, employment and contact data. Consumer-profile datasets are outside this profile.
Initial directory snapshot · exported Nov 4, 2026. Original source check dates are retained. Automatic monitoring is not active yet. How we check information