業者ichi1 news1 nf01(ぎょうしゃ); 元請負人(もとうけおいにん)River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 契約者(けいやくしゃ)River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 契約業者River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 請負者(うけおい・しゃ)River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 請負契約者River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 請負業者(うけおいぎょうしゃ)River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 受注者(じゅちゅうしゃ)River and Water Resources Glossary (Infrastructure Development Institute Japan)