— Sponsor Companies

Katogumi Co., Ltd.

Based on contract terms, we carry out public works commissioned by government agencies (road improvement, river works, reservoir renovation, etc.), performing new construction and renovation of earth cutting (excavation), embankments, retaining walls, gutters, revetments, and more. For private-sector projects, we also handle design and undertake new construction and renovation of land development, gutters, retaining walls, fences, and more.