MLIT License (S-2) No. 3731
Civil engineering business; architectural and construction business; scaffolding and excavation business; electrical contracting business; plumbing business; steel structure contracting business Painting business; waterproofing business; machinery, equipment, and facility business; water supply facilities business; sanitation facilities business
MLIT License (S-3) No. 3731 Telecommunication engineering business
Quality management (international standard)
Relevant standard: ISO 9001:2015 Registration certificate code: JQA-QM4779
Registered activity scope: Design and construction of mechanical, electrical, and telecommunication equipment for water provision, sewage, pumping/drainage, and environmental facilities Related offices: Headquarters, Tokyo Branch Office, Kanto Branch Office, Hokuriku Branch Office, Chubu Branch Office
Environmental management (international standard)
Relevant standard: ISO 14001:2015
Registration certificate code: JQA-EM6998
Registered activity scope: Design and construction of mechanical, electrical, and telecommunication
equipment for water provision, sewage, pumping/drainage, and environmental facilities
Related offices: Headquarters, Tokyo Branch Office, Kanto Branch Office, Hokuriku Branch Office, Chubu Branch Office
