Tetsuken Construction Co., Ltd. Securities Report - 85th Period (2025/04/01 - 2026/03/31)
Tetsuken Construction Co., Ltd. releases its 85th Securities Report, analyzing trends in the constru… · 2026-06-23
鉄建建設株式会社 News Releases
Development of 'Man Cage Protection Mat' Significantly Enhances Safety and Workability in Mountain Tunnel Construction
Tetsukensetsu Co., Ltd. has jointly developed a 'Man Cage Protection Mat' with Nikken Lease Kogyo Co… · 2026-06-18
Tekken Corporation Selected as 'Supplier Engagement Leader' for 3 Consecutive Years
Tekken Corporation has been selected as a 'Supplier Engagement Leader' for the third consecutive yea… · 2026-05-22
Opening Ceremony Held for Makigawa Small Hydropower Plant
The opening ceremony for the Makigawa Small Hydropower Plant was held in Otsuki City, Yamanashi Pref… · 2026-04-28
Tekken Corporation Develops "Knowledge Transfer Function" Utilizing AI Chat
Tekken Corporation, in collaboration with SoftBank Corporation, has developed and released the "Tekk… · 2026-06-12
TEKKEN Construction Group's Purpose: 'Power for a Continuously Moving City, Power for Continuous Evolution'
In May 2026, the TEKKEN Construction Group established its first purpose: 'Power for a continuously … · 2026-06-08
JR East President Kise presents letter of appreciation
Tetsuken Kensetsu (our company) and Maruyama Komuten Co., Ltd. received a letter of appreciation fro… · 2026-05-14
Tekken Kensetsu Group Formulates Its First-Ever Purpose
Tekken Kensetsu Group has formulated its first-ever purpose, "For cities that keep moving, power tha… · 2026-05-08
Opening Ceremony Held for Makigawa Small Hydropower Plant
The opening ceremony for the Makigawa Small Hydropower Plant was held in Otsuki City, Yamanashi Pref… · 2026-04-28
Tekken Kensetsu Sponsors 2026 Children's Invitation Performance 'Kokoro no Gekijo'
Tekken Kensetsu will sponsor the 2026 Children's Invitation Performance 'Kokoro no Gekijo'. The comp… · 2026-04-22
Tekken Kensetsu Sponsors 2026 Children's Invitation Performance 'Kokoro no Gekijo'
Tekken Kensetsu will sponsor the 2026 Children's Invitation Performance 'Kokoro no Gekijo'. The comp… · 2026-04-22
Portable Power Station Donation Ceremony Held in Otsuki City
Tekken Kensetsu held a ceremony to donate portable power stations to Otsuki City. This act demonstra… · 2026-04-20
Portable Power Station Donation Ceremony Held in Otsuki City
Tekken Kensetsu held a ceremony to donate portable power stations to Otsuki City. This act demonstra… · 2026-04-20
JR East President Kise presents letter of appreciation
Tetsuken Kensetsu (our company) and Maruyama Komuten Co., Ltd. received a letter of appreciation fro… · 2026-05-14
Tekken Kensetsu Group Formulates Its First-Ever Purpose
Tekken Kensetsu Group has formulated its first-ever purpose, "For cities that keep moving, power tha… · 2026-05-08
Tekken Kensetsu Sponsors 2026 Children's Invitation Performance 'Kokoro no Gekijo'
Tekken Kensetsu will sponsor the 2026 Children's Invitation Performance 'Kokoro no Gekijo'. The comp… · 2026-04-22