Notice of Updated Financial Results Announcement
On June 23, 2026, the company updated its balance sheet for its 55th fiscal term (FY2025). It can be viewed through the link.
SK Engineering Co., Ltd.
エスケイエンジニアリング株式会社SK ENGINEERING CO.,LTD.Alias
Ticker
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Listed market
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Country
Employees (non-consolidated)
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§01
Basic information
- Head office
- 6th Floor, JMF Building, 2-1-15 Iwamotocho, Chiyoda-ku, Tokyo
- Chief executive
- Hidetaka Tsukui
- Capital
- 300,000,000 (3 100 million)
- Employees (non-consolidated)
- Employees (consolidated)
- Start date
- End date
§02
Websites
§03
Business
Contracting for the drilling, modification, and abandonment of oil, natural gas, geothermal, hot spring, earthquake observation, water wells, and other boreholesDesign, construction, and supervision of civil engineering worksInvestigation related to geothermal development and hot springsGeotechnical surveysTechnical support services related to each of the above items
§04
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Names without a link are companies not yet registered in OpenBizGraph
§05
Network
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§06
History
Company establishment
Purchase of large rigs '110-UE' and '1320-ME', one each
Deep exploration well drilling in Kakkonda area, Iwate Prefecture, using rig '110-UE', drilling depth 3,729m (longest geothermal well drilling)
Relocation of headquarters to the current address at 2-1-15 Iwamotocho, Chiyoda-ku, Tokyo
Acquisition of ISO 9001 certification
Drilling operation for oil exploration in Sakhalin Island, Russian Federation, for American oil company, using rig '110-UE', drilling depth 5,575m (2 wells)
Upgrade of super rig '1625-DE', 12-P-160 mud pumps, equipped with NOV TDS-8SA, capable of 7,500 psi
Conversion of large rig '1320-M' engine rig to electric, renamed to '1320-ME'
Drilling of CCS injection well in Tomakomai IW-1, using rig '1625-DE', drilling depth 5,800m, maximum inclination 72 degrees
Drilling of CCS injection well in Tomakomai IW-2, using rig '1625-DE', drilling depth 3,500m, maximum inclination 83 degrees
§07
News
Notice of Updated Financial Results Announcement
General Employer Action Plan Formulated Under the Act on Promotion of Women's Participation and Advancement in the Workplace
SK Engineering Co., Ltd. formulated a general employer action plan under the Act on Promotion of Women’s Participation and Advancement in the Workplace. The plan outlines initiatives through 2026 and has been made publicly available.
Notice of Update to 54th-Term Balance Sheet
SK Engineering Co., Ltd. announced that it updated its balance sheet for its 54th fiscal term (FY2024) on July 4, 2025. The update can be viewed via the link, and details are available on the company’s official website.
SKE Completes Test Run of New M-600A Rig
SKE introduced its new M-600A rig and completed its test run. Designed as a replacement for the SVM-1500, the M-600A can be transported by a 10-ton truck without a trailer. With drilling capacity to a depth of 1,500 meters, it is expected to be used for workover operations on geothermal reinjection wells and water-soluble natural gas wells.
§08
Public records
National Tax Agency basic information7010001066727
Source: National Tax Agency Corporate Number Publication Site, basic three items
- Trade name
- エスケイエンジニアリング株式会社
- Trade name (kana)
- エスケイエンジニアリング
- Name in English
- Corporation type
- 301
- Address
- 〒101-0032 東京都千代田区岩本町２丁目１番１５号
- Postal code
- 1010032
- Prefecture code
- 13
- City code
- 101
- Address outside Japan
- Prefecture in English
- City in English
- Address outside Japan in English
- Corporate number assignment date
- 2015-10-05
- Update date
- 2018-06-21
- Change date
- 2015-10-05
- Registry closure date
- Reason for registry closure
- Successor corporate number
- Details of the change
- Latest record
- 1
- Excluded from search
- 0
- Processing type
- 01
- Correction type
- 1
- Trade name image ID
- Address image ID
- Sequence number
- 2165741
METI gBizINFO7010001066727
Source: gBizINFO (Ministry of Economy, Trade and Industry)
- Corporate number
- 7010001066727
- Trade name
- エスケイエンジニアリング株式会社
- Trade name (kana)
- エスケイエンジニアリング
- Trade name (alphabet)
- Registry closure date
- Reason for registry closure
- Registered address
- 東京都千代田区岩本町２丁目１番１５号
- Postal code
- 1010032
- Prefecture
- 東京都
- Prefecture code
- 13
- City or district
- 千代田区
- City code
- 101
- Street address
- 岩本町２丁目１番１５号
- Organisation type
- 301
- Processing type
- 01
- Correction type
- 1
- Status
- Representative
- 代表取締役 筑井 秀昌
- Capital
- Employees
- 105
- Employees (male)
- Employees (female)
- Business summary
- Website URL
- Year founded
- Business category
- D:建設業
- Date established
- 1971-10-15
- Unified government qualification - grade
- ||C|
- Unified government qualification - business items
- 303|308|309|315
- Update date
- 2018-06-21
- Key information
- 7010001066727
§09
Sources & updates
DOMAINOwn domain：Yes
UPDATED2026-10-12 06:18 · Model: gpt-oss-20b(99)