This list covers 40 companies building AI models, the infrastructure they run on, and products that apply AI to specific jobs such as security, contract management, pathology and defense. Each entry links to the company’s own site so you can check current products and pricing directly. Company status (acquisitions, renames) is current as of September 2026.
Foundation models and AI assistants
1. OpenAI
Developer of ChatGPT and the GPT family of models, offered to consumers, businesses and developers through its apps and API.
2. Anthropic
An AI safety and research company that builds the Claude family of models, available through its own apps and API as well as major cloud platforms.
3. Google
Google builds the Gemini models and assistant. For businesses, Google Cloud offers Gemini Enterprise Agent Platform (formerly Vertex AI) for building and deploying models and agents.
4. Meta
Meta released the open-weight Llama models. In April 2026 its Meta Superintelligence Labs launched Muse Spark, a proprietary model offered to select partners via API in private preview, with Meta saying it hopes to open-source future versions.
5. xAI (now SpaceXAI)
Maker of the Grok models and chatbot. SpaceX acquired xAI in February 2026, and the business now operates under the SpaceXAI name.
6. Mistral AI
A French company offering open models and an enterprise platform for customizing, fine-tuning and deploying assistants and agents.
7. Cohere
Builds language models and AI products for enterprises, with an emphasis on private, secure deployments.
8. DeepSeek
A Chinese AI lab that publishes open models, including DeepSeek-V4 and DeepSeek-R1, and offers a chat app and API.
9. Sarvam AI
A Bengaluru company building speech-to-text, text-to-speech, translation and conversational agents across 22 Indian languages. In June 2026 it raised $234 million at a $1.5 billion valuation in a round led by HCLTech.
10. Perplexity
An AI answer engine that responds to questions with real-time web results and cited sources.
Cloud, compute and data platforms
11. Microsoft
Offers AI models and development tools on Azure and offers the Microsoft Copilot assistant.
12. Amazon
AWS provides Amazon Bedrock for building generative AI applications and agents, SageMaker for data and machine learning work, and its own AI chips.
13. NVIDIA
Its GPUs and accelerated computing platforms are widely used to train and run AI models.
14. IBM
IBM watsonx is a portfolio of AI products for building, deploying and governing generative AI in business workflows.
15. Databricks
A unified platform for data engineering, analytics, data warehousing, governance and AI, built on its lakehouse architecture.
16. Hugging Face
A platform where the machine learning community shares and collaborates on models, datasets and apps (Spaces).
17. Scale AI
Provides training data, model evaluation and related services to AI labs, governments and large enterprises. In June 2025 Meta made a significant investment valuing Scale at $29 billion, and founder Alexandr Wang left to join Meta.
18. DataRobot
An enterprise platform for building, deploying and managing AI models and agents.
Enterprise AI and automation
19. UiPath
An automation platform that coordinates AI agents, software robots and people across business processes.
20. Automation Anywhere
Combines AI, robotic process automation (RPA) and workflow tools for what it calls agentic process automation.
21. Palantir Technologies
Builds software for integrating data, decisions and operations. Its Artificial Intelligence Platform (AIP) runs LLMs and other models on an organization’s private network.
22. C3 AI
An enterprise AI software company based in Redwood City, California that sells enterprise AI applications and a platform for building them.
23. Adept
Originally built foundation models and an enterprise agent product. In 2024 its co-founders and part of the team joined Amazon, which licensed Adept’s agent technology and models; Adept now focuses on solutions that enable agentic AI.
24. Ironclad
AI-assisted contract lifecycle management software for drafting, negotiating and analyzing contracts.
Productivity and software development
25. Notion
A workspace for docs, wikis and projects with built-in AI search, custom agents and automation.
26. Canva
An online design platform whose Canva AI tools cover design, writing, brand and coding tasks.
27. Replit
A browser-based platform where users describe an app or website and its AI agent builds it.
28. Airtable
A no-code platform for building business apps, workflows and AI agents on top of shared data.
Generative media and voice AI
29. Runway
Makes AI video and image generation tools used by creators and filmmakers, and researches world models.
30. Stability AI
Developer of Stable Diffusion and a range of image, video, audio and 3D generation models, available via self-hosted licenses, API and cloud partners.
31. Synthesia
An AI video platform businesses use to produce training and communication videos with AI avatars in many languages.
32. Midjourney
An independent research lab whose service generates images and video from text prompts.
33. SoundHound AI
Builds voice AI agents for customer service, operations and commerce, used by enterprise brands.
Cybersecurity
34. Abnormal AI
A behavioral AI security platform for email and identity threats. The company renamed itself from Abnormal Security to Abnormal AI in April 2025.
35. Wiz
A cloud security platform covering code, cloud and runtime. Google completed its acquisition of Wiz in March 2026; the Wiz brand continues within Google Cloud.
36. Snyk
A developer security platform that scans code, dependencies and applications, including code written by AI assistants and AI agents.
Healthcare
37. Tempus AI
A Nasdaq-listed company applying AI to precision medicine, with diagnostics and data services for oncology and other areas.
38. PathAI
Develops AI-powered pathology tools, including its AISight platform, for laboratories, clinicians and biopharma clinical trials.
Defense and autonomy
39. Anduril Industries
Builds autonomous systems and defense technology for the US and allied forces, coordinated through its Lattice software.
40. Shield AI
A defense-tech company building AI pilots and aircraft. Its Hivemind software lets aircraft fly missions autonomously, including in GPS-denied environments.
How to choose an AI provider
When comparing vendors, check:
- Whether they have working deployments in your industry and use case
- Model performance on your own data, not only public benchmarks
- Data privacy, security certifications and where data is processed
- Integration with your existing systems and cloud provider
- Deployment options: public API, private cloud or on-premises
- Governance and compliance features such as audit logs and access controls
- Support, training and implementation help
AIML Marketplace lists AI tools and AI/ML development companies so you can compare providers by category and service before contacting them.
Written by: AIML Marketplace Team
