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Contact Us

Contact us for any inquiry. All are welcome, Project Owners, Consultants, Contractors, Academics, and Students. Let us know how we can help you.


Head Office

PT Tetrasa Geosinindo
Roxy Mas Business Center Block C4 No.18-20
Jl. K.H. Hasyim Ashari
Jakarta 10150, Indonesia
Phone: +6221 6330150
Fax: +6221 6330540
Email: office@geosinindo.co.id
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Representative

Central Java
Contact Person: Ir. Ricyanto C
Jl. Ngesrep Barat III Komp. PP/B-8
Semarang 50235, Indonesia
Phone: +6224 6921723, 6922133
Fax: +6224 6921723
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East Java
Contact Person: Ir. Lely Tedjakusuma
Jl. Prapen Indah Blok 1-12A
Surabaya, Indonesia
Phone: +6231 8493751, 8434539
Fax: +6231 8493751
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Enquiry Form

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