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Dong-Ah Geological Engineering Co Ltd
347, Geumsaem-Ro, Geumjeong-Gu
Phone: +82 515805550p:+82 515805550 BUSAN, 46235  South Korea Ticker: 028100028100
Business Summary
Dong-Ah Geological Engineering Co Ltd is a Korea-based company primarily engaged in the construction industry. The Company operates its business through two segments. The Civil Engineering segment engages in boring and grouting implementation, underwater construction, water and sewage system installation, earthworks, scaffolding and structure demolition, plastering, waterproofing, masonry, and reinforced concrete construction. The Other segment engages in the construction material and real estate rental business.

Scores and Ratings
FRISK®
Score		 Z''
Score		 PAYCE®
Score		 DBT
Index		 Moody's
Rating		 Fitch
Rating		 DBRS
Rating
YesYes-----

Financials, News and Filings
Latest
Statement		 Last
Audit
News		 SEC
Filings		 Bankruptcy
Filings		 Suit &
Judgment
Filings		 Tax
Lien
Filings
12/31/202512/31/2025Yes----

Industries
SIC Code Description
1629 Heavy construction, not elsewhere classified
1611 Highway and street construction, except elevated highways
1623 Water, sewer, pipeline, and communications and power line construction
8711 Engineering services
6512 Operators of nonresidential buildings
7359 Equipment rental and leasing, not elsewhere classified

Officers and Directors

Title
Name
Age		 Title
Date		 Start
Date
Chairman of the Board Jeong WuLee 73 8/16/2019
Co-Chief Executive Officer, Director Jeong WukChoi 57 3/23/2022 3/23/2022
Co-Chief Executive Officer, Director Man GyuPark 59 3/23/2022 3/23/2022
12 additional Officers and Directors records available in full report.

Business Names
Business Name
028100
Dong-Ah Geological Engineering Co Ltd
DONGA GEOLOGICAL CO.,LTD

General Information
Number of Employees: 275 (As of 6/30/2025)
Outstanding Shares: 13,101,208 (As of 12/31/2025)
Shareholders: 9,387
Stock Exchange: KRX
Fax Number: +82 515805521


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Saturday, March 21, 2026