Disclosure: I work at Ailoitte, which appears on this list. Noted upfront — the framework and questions at the end apply to us too. The Real Filter One question separates vendors from teams actually building production agentic systems: "Show me something running in production for more than 60 days. What broke?" If they can't answer that, they're building demos — not systems. This list is built around that filter. What Agentic AI Actually Means Not chatbots. Not copilots. Not RAG pipelines with a chat interface. Agentic AI follows a loop: Perceive → Reason → Select Tool → Execute → Evaluate → Loop or Escalate The hard parts aren't the model. They're: State management across long-running tasks Tool call reliability and retry logic Escalation design — knowing when to stop and surface to a human Eval gates — mid-pipeline checkpoints, not just end checks Production drift — systems that work at launch and quietly degrade Most vendors solve the first 10%. Very few solve all of it. The Companies 1.…