Obara Group operates across three core segments: resistance welding equipment (primarily for automotive body welding), surface grinding/lapping equipment (for silicon wafers and oxide crystal substrates), and electrical equipment (distribution materials for the power industry). The welding equipment business serves global automotive manufacturers through a broad network of manufacturing and sales subsidiaries across Asia, the Americas, and Europe. The surface grinding segment, operated primarily through Speedfam subsidiaries, supplies precision lapping machines and consumable materials to the semiconductor and electronics industries.