西武鉄道は、東京北西部に路線網を持ちます。鉄道以外にも、百貨店、ホテル、不動産など、幅広く事業を行っています。かつては自社の西武所沢工場製の車両が主力でしたが、現在では日立製の車両が増えています。
Seibu Railway has a network in Tokyo and Saitama. The company is also known for businesses such as department stores, hotels, and real estate. In the past, many of its trains were built at the Tokorozawa factory, but newer rolling stock has increasingly been supplied by Hitachi.
