Evolv Technologies Holdings, Inc. provides artificial intelligence (AI)-based weapons detection for security screening in the United States and internationally. Its products include Evolv Express, an AI-based concealed weapons detection system designed to detect firearms, improvised explosive devices, and tactical knives; Evolv Insights that provides self-serve access, insights regarding visitor flow and arrival curves, location specific performance, system detection performance, and alarm statistics, and Evolv eXpedite, an autonomous AI-based weapons detection system o detect concealed weapons in bags using X-ray imaging and AI. The company was founded in 2013 and is headquartered in Waltham, Massachusetts.