Funding Endra Raises $50M Series A — a16z Bets on the Most Rule-Bound Corner of Building Design Andreessen Horowitz leads a $50M round into Endra, an AI that automates MEP engineering — the mechanical, electrical, and plumbing work that every building requires and that has resisted software automation for decades. The customer list suggests this is not a demo. Hugo Pegley · Jun 29, 2026
