By making full use of our accumulated know-how in environmental technology, cultivation technology, product development, and facility design, we propose greenhouse environments that will enable producers to achieve high yields and quality of their crops.

Based in Yokohama, we are running a business that conducts preliminary ground surveys and ground improvement work on proposed construction sites, and we introduce this in a manga. Ground surveys are a necessary process to prevent accidents such as subsidence before building a property, and we are looking for survey and construction staff. We look forward to receiving your applications.

This is the official site for repairs by Seiwa Building Master Co., Ltd., a company that designs and produces comfortable and livable living spaces. It features many examples of repairs we have done on floors, flooring, doors, fixtures, baseboards, and more.

Seiwa Co., Ltd. in Okayama is a company that imports, manufactures, and sells hygiene products. Seiwa Co., Ltd. handles many products including the Luminica brand.

Seiwa Honpo is an online food shopping site operated by Seiwa Co., Ltd. We deliver delicious food all over the country by utilizing the network of producers that we have cultivated since our establishment. If you register as a member, you will receive a 10% OFF coupon, which is a great deal.

The official website of Seiwa Corporation, which manages apartments, condominiums, and rental properties. Seiwa Corporation will propose the best land use for owners.

Seiwa Tax Accountants' Corporation, in close cooperation with our partner Seiwa Audit Corporation, has accumulated a wide range of accounting and tax knowledge and provides services that provide high added value to our clients.

We have an office in Kawasaki where we carry out bridge construction and transportation infrastructure development. We take our customers seriously and value being flexible in responding to their requests as we carry out our construction work. As a result, we have been able to accumulate a wide range of achievements and experience.

Seiwa University is a single-discipline university specializing in law. It practices "Sincere Education" and has the highest employment rate in Chiba Prefecture.

Seiwa Gakuen Junior College is a traditional junior college founded in 1951 and celebrating its 70th anniversary in 2021. It is located in Sendai City.