The 2026 'compare AI agent vendors regulated enterprise' procurement question resolves to four sector-specific vendor matrices, not one universal scorecard; each begins with a structural disqualification pass on the regulatory baseline (FedRAMP High plus DoD Impact Level for federal-civilian and defence; HIPAA BAA plus FDA 21 CFR Part 11 plus HITRUST plus EU AI Act Article 6/14 for healthcare and pharma; Federal Reserve SR 11-7 plus NYDFS Part 500 plus FINRA RN 24-09 plus SEC Rule 17a-4 for US financial services; NERC CIP plus EU NIS2 plus ISA/IEC 62443 plus regional reliability operator data-handling for energy and utility), populates a 5-or-6-row matrix per vertical against the surviving vendors, and translates the row gaps into contractually enforceable MSA addenda (the AM-167 NHI procurement-clause work instruments); the energy and utility matrix is structurally thinner than the other three because the OT/ICS overlay disqualifies most general-purpose agentic AI platforms in favour of the OT-specialist tier (Claroty, Dragos, Nozomi) with AI overlays.

Anchored on (a) FedRAMP Marketplace listings for cloud service offerings (Microsoft Azure Government Community Cloud High, AWS GovCloud, Google Cloud Assured Workloads, Salesforce Government Cloud Plus) plus the DoD Cloud Computing Security Requirements Guide Impact Levels (IL2 through IL6); (b) HHS HIPAA Privacy and Security Rules, FDA 21 CFR Part 11 (electronic records and signatures), HITRUST CSF certification framework, EU AI Act Articles 6 (high-risk classification) and 14 (human oversight), GDPR Article 9 (special-category data); (c) Federal Reserve SR 11-7 model risk management guidance, 23 NYCRR Part 500 (NYDFS cybersecurity) and the 2023 third-party amendments, FINRA Regulatory Notice 24-09 (AI in customer communications, 2024), SEC Rule 17a-4 (records retention); (d) NERC CIP standards 002-014 (with CIP-013 supply chain risk most relevant), EU NIS2 Directive 17 Oct 2024 implementation deadline, ISA/IEC 62443 industrial cybersecurity standards. The vendor-product current-state characterisation is from May 2026 vendor documentation; future certification advancements (additional FedRAMP High regions, NERC CIP cloud-services advancement, HITRUST inheritance scope expansion) would change the matrix specifics. 60-day review cadence (26 Jul 2026). Trigger conditions: (1) major agentic AI platforms announcing new sector-specific certification tiers that materially shift the disqualification pass move toward Partial; (2) a published regulatory enforcement action against an agentic AI deployment in any of the four verticals provides concrete precedent and reshapes regulatory-fine pass-through framing; (3) EU AI Act implementing acts shipping mandatory technical standards under Articles 6/14/15 warrants a regulated-vertical-by-vertical update; (4) NIST releasing AI RMF 2.0 or sector-specific profiles (healthcare and financial-services profiles anticipated) expands the federal and adjacent-sector matrices. Sibling AM-172 covers US-frameworks treatment; AM-167 covers MSA-layer procurement clause instruments; EU AI Act corpus at /topic/agentic-ai-governance/ covers the cross-vertical baseline.