The type segmentation categorizes Type C LNG tanks by construction methodology and material composition, each influencing cost structure, performance, and market penetration. Single‑wall steel tanks, the most traditional design, dominate the segment due to established fabrication processes, yet they capture a limited portion of premium projects because of higher boil‑off rates. Double‑wall insulated tanks, featuring an inner containment layer and an outer vacuum‑insulated shell, represent the bulk of high‑value contracts, delivering superior thermal efficiency and safety, thus attracting marine and power‑generation clients. Composite‑material tanks, employing fiber‑reinforced polymers, are emerging with a 12% market share, favored for lightweight applications and corrosion resistance, especially in transportation. Hybrid configurations—combining steel and composite elements—hold a niche 8% share, balancing structural strength with weight savings for specialized industrial use. Each subtype contributes proportionally to the overall market, shaping the “Type C LNG Tank segmentation” landscape and guiding investment decisions across the value chain.