DNE Company profile

Company name Dia Nippon Engineering Consultants Co., Ltd.
Establishment January 23, 1963
Capital 1,399 million yen
President & Representative Director Masahiko Harada
Annual Turnover 32,300 million yen (fiscal year ended June 30, 2023)
Head office location

Sumitomo Fudosan, Akihabara Station Bldg. 4F, 300 Kanda Neribeicho, Chiyoda-ku, Tokyo 101-0022 JAPAN

Employees 1,278 [As of June 30, 2023]
Registered Services Registered as an engineering consulting firm in the following fields at the Ministry of Land, Infrastructure and Transport Government of Japan
– River, Coasts and Landslide Precaution
– Harbors and Airports
– Roads and Highways
– Waterworks and industrial water supply department
– Forest Civil Engineering
– Sewerage
– Landscaping
– Regional and Urban Development
– Geological and Soil Investigation
– Foundations
– Steel and Concrete Structures
– Tunnels
– Construction Planning, Facilities Design, Cost Estimate
– Public Works Environment
Registered as a topographic surveying company
Registered as a geotechnical surveying company
Registered as a first-class architect office
ISO9001(JIS Q 9001:2008) MSA-QS-116/MSA-QS-4929
Applicable business establishment  Whole company(However, excluding Audit Office, Overseas Business Division)
ISO14001(JIS Q 14001:2004) MSA-ES-76
Applicable business establishment  Whole company(However, excluding Audit Office, Hokkaido Branch Office, Kanto Branch Office No. 4 Technology Department, Branch Office No. 2 Technology Departments other than Kanto Branch Office, Kobe Branch, Matsuyama Branch, Technology No. 2 Office, and business departments other than New Business Areas Division)
ISO/IEC27001(JIS Q 27001:2014) MSA-IS-105
Applicable business establishment  Information System Management Section / Research Institute for Infrastructural Engineering / Yokohama Sales Office
ISO 55001(JIS Q 55001:2017) MSA-AS-37
Applicable business establishment   AM Promotion Section
Major Membership Affiliation Japan Civil engineering Consultants Association
Japan Society of Civil Engineers
Japan Association of Environment Assessment
Planning Consultants Association of Japan
Consultants of Landscape Architecture In Japan
Association of Water and Sewage Works Consultants Japan
Japan Road Association
Japanese Geotechnical Society
Japan Ground Water Technology Association
Engineering and Consulting Firms Association, Japan
Infrastructure Development Institute
Parent company DN HOLDINGS Co., Ltd.
Group companies Nippon Engineering-Vietnam Co., Ltd.
Fuji Oyama Power Energy, LLC
ACE Sisui Kogyo Co.,Ltd.
Seiryu Power Energy Co., Ltd.
Company Brochure DNE_Brochure_English_2023 (13.2MB)