Gunma Crane Thunders and Zeroboard sign official supplier contract
Promoting climate action in sports
Gunma Crane Thunders Company
Zeroboard Inc.
Gunma Crane Thunders, a professional basketball team operated by Gunma Crane Thunders Co., Company(Ota City, Gunma Prefecture, CEO: Tsuyoshi Akuzawa, hereinafter referred to as Gunma Crane Thunders), and Zeroboard Inc.(Minato Ward, Tokyo, CEO: Michitaka Tokeiji, hereinafter referred to as Zeroboard), a company that supports corporate sustainability management, have signed an official supplier contract for the 2025-26 season.
Through this agreement, the two parties will jointly promote efforts to contribute to local communities, develop sports culture, and create a sustainable society.
Partner advertising on the large screen at the Levanca Hokkaido match on October 15, 2025As part of their social responsibility activity, "CRANE THUNDERS ONGAESHI," Gunma Crane Thunders is carrying out "off-court 3P"activity: "Planet (protecting the global environment)," "People (reaching out to those in need)," and "Peace (creating a safe and secure local community)." They have also signed the United Nations' "Sports for Climate Action Framework," and have positioned efforts to address global environmental and climate change issues as the most important Issue in running a professional sports business.
Gunma Crane Thunders will now promote efforts to address climate change issues by utilizing Zeroboard's GHG (greenhouse gas) emission amount calculation and visualization solution, "Zeroboard."
Comments from both parties
Gunma Crane Thunders Company CEO Tsuyoshi Akuzawa <br />Gunma Crane Thunders launched its social responsibility activity"CRANE THUNDERS ONGAESHI" in 2021 and signed the "Sports Climate Action Framework" at the same time. As we must focus on addressing environmental issues and raising activity, we are delighted to have received support from Zeroboard Inc. and taken this major step towards realizing a carbon-free society. We will continue to actively promote efforts to reduce CO2 emission amount to as many people as possible both inside and outside the venue.
Zeroboard Inc. CEO Michitaka Tokeiji
We are very pleased to partner with Gunma Crane Thunders. Decarbonization efforts cannot be completed by one company or one team alone; it is only by involving and collaborating with the local community and society that we can bring about major change.
The "Off-Court 3P" initiative promoted by Gunma Crane Thunders is an initiative that truly embodies this attitude, and we are convinced that the power of sports to move people's hearts and unite them will create a greater wave of change in society. Through this partnership, Zeroboard hopes to advance climate change countermeasures in the sports world and create positive change together.
Company Overview
Gunma Crane Thunders Company
Address: 894-2 Iidacho, Ota City, Gunma Prefecture
Representative: CEO Takeshi Akuzawa Founded: June 10, 2010 Service: Management of a professional basketball team (Gunma Crane Thunders) belonging to the B.LEAGUE
URL: https://g-crane-thunders.jp/

Gunma Crane Thunders is a club founded with the philosophy of "making Gunma hot with basketball" and the aim of livening up Gunma through the sport of basketball.
The club is based in Ota City, Gunma Prefecture, and is a member of the B.LEAGUE B1 division. This season, the club aims to win the championship, and is not only focusing on fighting on the court, but is also working to build a club that grows alongside the local community.
In addition, through our social responsibility activity, "CRANE THUNDERS ONGAESHI",
・Planet (global environment)
・People (Support for those in need)
・Peace (creating a safe and secure local community)
Under the slogan "Off-court 3Ps," we are actively working to utilize the power of sports to solve social Issue and contribute to the local community.
We will continue to work with the local community to develop sports culture and achieve a sustainable future.
Zeroboard Inc.
Address: 10th floor, Sumitomo Fudosan Tokyo Mita South Tower, 5-27 Mita 3-chome, Real estate, Tokyo Representative: CEO Michitaka Tokeiji
Established: August 24, 2021 Service: Development and provision of ESG information centralization solution "Zeroboard Sustainability Platform" / Consulting on sustainability management / Operation of Community "All Aboard""All Aboard!"
URL: zeroboard
Overview of Zeroboard Sustainability Platform

This comprehensive cloud solution supports the collection, management, and disclosure of ESG-related data. With a wide range of products, it seamlessly supports the processes required for sustainability management, including ESG disclosure.
- " Zeroboard " - a cloud Service for calculating GHG (greenhouse gas) emission amount and managing environmental items
- ESG legal disclosure cloud Service"Zeroboard ESG"
- "Dataseed SAQ" is a cloud Service that streamlines the collection and management of SAQs (Self-Assessment Questionnaires) from buyers to suppliers.
[Contact for inquiries regarding this matter]
Gunma Crane Thunders Company
About ONGAESHI activity(Takuto Fujioka) takuto.fujioka@openhouse-group.com
For media inquiries and interviews (public relations), please contact ml-gct_media@openhouse-group.com
Zeroboard Inc.
For information about each product and Service(Sales Headquarters) zeroboard
For media coverage and interviews (public relations) zeroboard