Application segmentation categorises end‑use environments, reflecting operational risk profiles and regulatory frameworks that dictate system adoption. Commercial cargo vessels, accounting for the largest tonnage fleet, require robust fixed detection and water‑mist suppression, driving the bulk of system installations and sustaining market scale. Passenger ferries and cruise ships, subject to stringent passenger‑safety standards, prioritize integrated alarm networks and portable extinguishers, inflating per‑vessel spend. Naval warships, with mission‑critical combat zones, invest heavily in CO₂ and foam suppression for ammunition magazines, contributing high‑margin revenue despite lower unit volumes. Offshore oil and gas platforms, operating in isolated, high‑hazard settings, allocate significant capital to comprehensive fire‑safety suites that combine fixed detection, water‑mist, and centralized control, representing a fast‑growing segment. Luxury yachts and sub‑sea support vessels, though numerically few, adopt premium, customized solutions that elevate average transaction values. This application‑based taxonomy clarifies how each vessel class underpins the overall market size and growth trajectory.