Major distribution transformer manufacturers include global OEMs and numerous regional producers that specialize in MV/LV step-down units and pole- or pad-mount transformers. They supply utilities, rural electrification schemes, and industrial/commercial campuses. Key capabilities are high-efficiency core designs, eco-friendly fluids, standardized ratings, and fast delivery. Many manufacturers focus on 25-5,000 kVA classes, offering both oil-filled and dry-type construction for indoor and outdoor use.