Fundamental concept

Kumagai Gumi complies with social norms, laws, our internal standards, and other rules, and establishes management systems to operate with high efficacy in response to changes in the business environment. We strive to improve the capabilities of our employees, specialized contractors and others through education and training, and we provide construction services that meet the expectations of our customers and users so that we can foster their trust through our superior comprehensive capabilities.

Structure of the Quality and Environment Management System

Kumagai Gumi obtained ISO9001 certification in 1996 and ISO14001 certification in 1997. With the aim of assuring reliable quality and manufacturing products with minimal environmental impact, we implement the PDCA cycle for continuous improvement in all processes, from receiving orders to providing aftercare.