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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 engaged in civil engineering construction and ground-related engineering services. The Company operates its business through four segments. The Building Construction segment is not engaged in domestic or overseas building construction. The Civil Engineering segment is engaged in domestic and overseas civil engineering works such as boring and grouting, TBM tunneling, diaphragm wall construction, and foundation works. The In-house Construction segment is not engaged in self-performed construction works. The Other segment is engaged in providing services such as engineering and rental.

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
9/30/202512/31/2024Yes----

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

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 9/30/2025)
Shareholders: 9,387
Stock Exchange: KRX
Fax Number: +82 515805521


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Sunday, February 1, 2026