Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $18M Series A led by Menlo Ventures (Feb 2026). Indexes 110K government entities across 4M websites. Backed by Perplexity Fund.
NationGraph is a GovTech sales intelligence platform that indexes approximately 110,000 government entities — cities, counties, states, school districts, utilities, and special districts — across roughly 4 million government websites to surface procurement signals for companies selling to the public sector. The company raised $18 million in Series A financing in February 2026 led by Menlo Ventures, with participation from Perplexity's Fund and Reach Capital.
a2z Radiology AI raised $20M in 2025 for its whole-body AI that simultaneously screens for 24+ conditions across CT scans — from incidental cancers to cardiovascular risk — in a single automated read.
a2z Radiology AI has developed a whole-body CT analysis platform that simultaneously screens for over 24 medical conditions across a single CT scan, including incidental cancers, coronary artery disease, aortic aneurysm, bone density loss, and organ abnormalities. The AI acts as a second reader that radiologists can use to catch incidental findings that fall outside the primary reason for a scan — a major source of missed diagnoses.
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