Corporate Profile

Basic Information

Company name

OYO Corporation

Address

Sumitomo Fudosan Kanda Building 9th Floor, 7 Kanda Mitoshiro-cho, Chiyoda-ku, Tokyo, 101-8486, Japan
List of Offices

Phone

+81-3-5577-4501

Establishment

May 2, 1957

Capital

JPY 16,174.6 million

Stock Listing

Tokyo Stock Exchange Prime Market

Number of employees

2,438 (consolidated), 1,209 (non-consolidated) (As of December 31, 2022)

Main Business

A series of technical operations ranging from ground investigation associated with roads and city planning, construction of civil engineering structures and building structures, etc., to design and construction management.
Technical operations such as survey on landslides, cliff collapses, earthquake disasters, and storm and flood damage. Technical operations such as analyses, predictions, diagnoses, evaluations and countermeasures of natural disaster risk.
Technical operations such as surveys, analyses, predictions, diagnoses, evaluations and countermeasures of environmental conservation and risks.
Collection, processing, and sales of earth-related information such as ground, environment, and disaster information.
Development, manufacture, sales, leasing, and rental of various measuring instruments, security instruments, software, and systems.

Business Registration

Consulting Engineer (No. 01-175, registered with the Ministry of Land, Infrastructure, Transport and Tourism)

  • River, Erosion Control and Coasts / Oceans; Ports and Airports; Roads
  • Water supply and Industrial Water supply; Sewers; Agricultural Civil Engineering
  • Forest Civil Engineering; Waste; Urban Planning and Rural Planning
  • Geology; Soil and Foundations
  • Steel Structure and Concrete
  • Tunnels; Construction Environments; Electrical & Electronics Engineering

Geological Surveyor (No. 04-12, registered with the Ministry of Land, Infrastructure, Transport and Tourism)
Measurement Certification Business (registered)

  • Concentration (No. 555, registered with the government office of Saitama Prefecture)

Certified Survey Firm (No.(14)-1334, registered with the Ministry of Land, Infrastructure, Transport and Tourism)
Special Construction Contractor ((TOKU-4) No. 2181, licensed by Ministry of Land, Infrastructure, Transport and Tourism)
1st-class Registered Architect Office (No.(3) 10113, registered with the government office of Saitama Prefecture)

Designated Investigation Firm (pursuant to the Soil Contamination Countermeasures Act)

  • Social Contamination Designated Investigation Firm (registered with the Ministry of the Environment, No. (Kan) 2003-8-2047)
Certified ISO management systems

Quality management system (ISO9001:2015)
Applicable Office:All offices
Scope of Activities:

1.

Soil investigation, construction consultant, and civil design

2.

Design, development, manufacturing and the accompanying services (equipment repair) of the following equipment

  • Seismic exploration equipment, Electric exploration equipment, Physical logging equipment, In-situ testing equipment
  • Ground surface monitoring equipment, Crime prevention security equipment, Ocean exploration equipment
  • Ground penetrating radar, magnetic exploration equipment, Gravity exploration equipment

Registration Number:JQA-2772
Registration Date:November 13, 1998
Expiration Date:December 19, 2023

Environmental Management System (ISO14001:2015)
Applicable Office:All offices
Scope of Activities:Same as ISO9001
Registration Number:JQA-EM6855
Registration Date:July 6, 2012 (Initial registration on January 1, 2003)
Expiration Date:December 31, 2023

Information Security Management System (ISO/IEC 27001:2013)
Applicable Office:All offices
Scope of Activities:Same as ISO9001
Registration Number:JQA-IM1238
Registration Date:March 14, 2014
Expiration Date:December 31, 2025

Personal Information Protection Management System (JIS Q 15001:2017)
Registered office: Information Systems Division
Scope of registered activities:
1. Business related to geological surveys, construction consultants, civil engineering design, disaster prevention and mitigation, information systems
2. Software development and sales related to the Company's overall business
Registration number: JQA-KP0022
Registration date: November 27, 2020
Expiration Date:December 31, 2025