Our corporate users
AIREC ENGINEERING CORPORATION
Alpha Civil Engineering Co. ltd
EHIME SHEILD KOUGYO
Okatoku Special Civil Engineering Corporation
Kitanihon Suishin Corporation  
Kishimoto Sekkei & Komu Corporation  
Kokudo Industry Co., Ltd  
COPROS Corporation  
SANKO Corporation  
Sanwakizai Co., ltd
SHINWA TECNO Corporation
SUIKEN CO., LTD
Sokushin Co., Ltd
NIKKO CONSTRUCTION MACHINERY
NISSIN TECHNO INCORPORATED  
Hanshin Kensetsu Co., Ltd  
RASA Industry, LTD.  
Ramsus Association  
ROCKMAN ASSOCIATION  
Universal Method