Application segmentation divides the market based on end‑use sectors that deploy inspection cameras. The largest share, oil & gas (≈45 % of total market value), leverages both crawler and smart‑pig technologies to monitor high‑pressure transmission lines, where regulatory compliance and downtime avoidance dictate premium spending. Water & wastewater utilities represent the second tier (≈25 %), primarily employing push and crawler cameras for routine integrity checks of municipal distribution networks and treatment plant pipelines. Petrochemical complexes (≈15 %) favor robotic cameras equipped with laser‑profiling and ultrasonic modules to detect corrosion under high‑temperature, high‑chemical‑stress conditions. Power generation facilities, including nuclear and thermal plants, allocate about 10 % of spend to inspection cameras for steam and cooling‑system lines, where failure risk is critical. Municipal infrastructure beyond water, such as sewer and storm‑drain networks, accounts for the remaining 5 %, using low‑cost push cameras for periodic inspections. The market taxonomy of applications thus reflects sector‑specific risk profiles, regulatory pressures, and investment capacity, directly shaping the overall Pipeline Inspection Camera market size.