Planning, design, construction, and supervision of architectural and civil engineering works.Construction and sale of condominiums and houses.Buying, selling, leasing, brokerage, and renovation of real estate.
Established Toyo Construction Co., Ltd. with full investment from Toray Co., Ltd. to undertake machinery, electrical, and architectural/civil engineering contracts.
Renamed Toyo Construction Co., Ltd. to Tore Engineering Co., Ltd.
Strengthened the organization by bringing in a majority of architectural and civil engineering professionals from Toray Co., Ltd.
Entered the real estate business and began selling residential land and houses.
Renamed Tore Engineering Co., Ltd. to Toray Engineering Co., Ltd.
Started selling the condominium 'Sharman Co-op®'.
Established Toray Construction Co., Ltd. with full investment from Toray Co., Ltd., fully inheriting the construction real estate business of Toray Engineering Co., Ltd., and commenced operations in April 1983.
Established Toyo Housing Kousan Co., Ltd. (Osaka) with full investment from Toray Construction, entering a business focused on condominium management.
Established Toray Housing Sales Co., Ltd. (Tokyo) with full investment from Toray Construction, specializing in the sale of condominiums and other properties.
Built the Toray Construction Building in Mishima City, Shizuoka Prefecture, and entered the real estate leasing business.
Established Toyo Housing Kousan Co., Ltd. (Tokyo) with full investment from Toray Construction, transferring part of the operations of Toyo Housing Kousan Co., Ltd. (Osaka).
Established Toray Housing Sales Co., Ltd. (Osaka) with full investment from Toray Construction, specializing in the sale of condominiums and other properties in the Kansai region.
Started selling the condominium 'Sharié®'.
Started selling the resort condominium 'Grantpia®'.
Renamed Toyo Housing Kousan Co., Ltd. (Osaka) and Toyo Housing Kousan Co., Ltd. (Tokyo) to Toyo Community Service Co., Ltd.
Merged Toyo Community Service Co., Ltd. (Osaka/Tokyo).
Toray Housing Sales Inc. <Osaka & Tokyo> Merger
Obtained registration certificate for the international standard for quality management systems, ISO 9001
As part of the restructuring of the Toray Group, Toray Construction's traditional business was separated into "Construction Business and Condominium Sales" and "Real Estate Leasing Business": In response, Toray Construction started business operations for "Construction Business and Condominium Sales" from April 1
Relocated headquarters and Osaka main office from "Mitsui Building No. 2" to "Nakanoshima Mitsui Building"
Relocated Tokyo main office from "Seifun Kaikan" to "Nihombashi Muromachi Building"
Started offering the TRY30® 30-year quality assurance system that guarantees high quality and long life
Received the "COHSMS Certification" for safety and health activities in construction
Started demonstration experiments of environmental technology at the Keiji branch (Otsu City, Shiga Prefecture)
Donated 10 million yen to the Japanese Red Cross Society as support for damages from the Great East Japan Earthquake
Relocated Tokyo main office from "Nihombashi Muromachi Building" to "Tsukamoto Building"
The pipe rehabilitation method using Trec® laminate and Fibrorod has obtained construction technology certification from the Japan Sewage Works Association
Concluded a cooperation agreement with Mishima City, Shizuoka Prefecture, for disaster support
Obtained certification and registration of the environmental management system "Eco Action 21" formulated by the Ministry of the Environment
Full-scale development of Trefarm®, a high-bed cultivation facility utilizing construction know-how, centered on "new agriculture"
The Nagasawa Eco Life Town Project was adopted as a "Leading Project for CO2 Reduction in Housing and Buildings" recommended by the Ministry of Land, Infrastructure, Transport and Tourism
Concluded a three-party cooperation agreement with Nagasawa Town, Shizuoka Gas Co., Ltd., regarding environmentally creative town development in Nagasawa Town, Sunto District, Shizuoka Prefecture
Adopted in the Ministry of Internal Affairs and Communications' FY2016 second supplementary budget "IoT Service Creation Support Project": - Building a "Sharing Agriculture" model that creates regional employment -
Adopted in the Ministry of Economy, Trade and Industry's FY2017 project for promoting health and longevity industries (support for establishing business models tailored to regional conditions): - Business to extend healthy lifespan of elderly people actively working -
Adopted in the Ministry of Economy, Trade and Industry's FY2018 project for promoting health and longevity industries (support for establishing business models tailored to regional conditions): - Business to extend healthy lifespan of elderly people actively working -
Electricity sharing system within condominiums "T-Grid System" received the Energy Conservation Center President's Award for Energy Conservation
50 years of condominium development business
Conclusion of an agreement with Shiga Prefecture to promote the use of wood in buildings
On November 6, 18 children and 3 teachers from Asuka Nursery School participated in a vegetable harvesting experience at TreFarm, a sand cultivation agricultural facility within Kosugi Aihag. The children harvested Swiss chard and purple cabbage, handled the roots, and practiced weighing and bagging. They learned the entire process from harvest to shipment.
The new construction of the Nihon University Faculty of International Relations Library and Administration Building, carried out by Toray Construction, received an Excellence Award at the Shizuoka Prefectural Industrial Safety and Health Conference. Continuous safety and health management and disaster prevention activities at the site were evaluated, and on October 13, Construction Manager Takayama received the certificate.
On October 18, Toray Construction held a seedling planting event with 23 local residents in the greenway in front of Kosugi Aihag in Nakahara-ku, Kawasaki City. They planted about 150 seedlings grown in the on-site "Tre Farm" into flower beds, contributing to community service and environmental beautification. They plan to continue exchange activities and environmental beautification activities in the future.
Toray Construction presented at the 63rd National Construction Industry Occupational Accident Prevention Conference under the title "Toray Construction's Challenge to Improve Cosmos Operation Techniques." Their safety and health activities and efforts have been evaluated and they received an award from the Construction Industry Occupational Accident Prevention Association. They continue to promote the improvement of safety and health standards and the creation of a workplace with zero accidents and incidents.
Toray Construction created and unveiled a new corporate poster. Looking beyond the conventional boundaries of construction and real estate, it expresses the company's hopes for sustainable community development and the future. The design features its corporate symbol and depicts people's aspirations and moving experiences coming together.
Toray Construction supported Kawasaki City's Sign Language Day Festival by offering a harvest experience at Torefarm. Participants enjoyed harvesting vegetables, which were also sold at the event. The initiative promotes community interaction and collaboration between agriculture and welfare.
Toray Construction Co., Ltd. signed a sponsorship agreement with Toray Arrows Shiga and Shizuoka for the period from March 1, 2026, through February 28, 2027. Through the agreement, the company will emphasize ties with local communities through sports and promote local sports and social activities. Under its ‘ZERO to WONDERFUL’ vision, Toray Construction applies its construction and real estate expertise to community development.
Kyotanabe Cross Park (Tanakuro), which grand-opened on March 15, is celebrating its first anniversary with an event on Saturday, March 14, 2026. The opening ceremony will feature a performance by Tanabe Junior High School’s brass band and remarks from the organizers and guests, followed by stage performances, dance, African drums, and activities by the kendo association on the lawn. Participants will write messages to their future selves one year later and to the community, which will be placed in a Tanakuro Future Capsule buried in the park.
Toray Construction received a structural evaluation from the Japan Building Center for an 11-story office building model using its P&UA method. The design combines a two-way timber moment frame and shear walls, with steel members used for some columns and beams. It combines the GIUA semi-rigid connection specification, shearing cotter and rolling cotter shear walls, and shear reinforcement using carbon fiber and structural plywood to achieve high strength, stiffness, and ductility.
KOSUGI iHUG, operated by Toray Construction in Nakahara Ward, Kawasaki, will hold its Summer Festival 2026 on Wednesday, August 5, 2026. Activities for multiple generations include vegetable harvesting at Tre Farm, festival games, limited food and drinks at the grill market, and a mental health consultation room. This annual event expresses appreciation to the community and is intended as a gathering place for families, friends, and local residents.