Corporate NameStroog Inc.
RepresentativeKenho Okura, Representative Director
Head Office/R&D
Tokyo Office
Delivery Center
FoundedDecember 2002
Membership Architectural Institute of Japan
Japan Timber Engineering Society
Japan Lagscrewbolt Society
Toyama Forestry and Forest Products Timber Research Institute Promotion Council
LVL Association
Japan Cross Laminated Timber Association
Home&Environment Advanced Design
Metal Construction Methods Promotion Association
Japan Builders Network

Company History

2002

Grandworks Inc. was founded.

2006

R&D was established.

2008

Development of Rahmen structures.

2011

Delivery Center was established.

2012

Certified by the approval of performance of new construction methods for residential housing from the Japan Housing and Wood Technology Center.
Qualified with the certification of structure by the Building Center of Japan.

2013

Qualified with Minister certification from the Ministry of Land, Infrastructure, Transport and Tourism.
Development of truss construction methods.

2014

Tokyo Office was established.
Received “HEAD Best Selection Award” by Home&Environment Advanced Design

2015

Qualified with the certification of new construction methods by the Japan Housing and Wood Technology Center.
143 supporting precut factories
Renamed as Stroog Inc.

2016

Tokyo Office was relocated.

2017

155 supporting precut factories