KANTOR PUSAT
Jl Surabaya No. 2A,
Malang - 65115
PO. BOX 39 Telp. (0341)551971 Faks. (0341)551976 Email
: mlg@jasatirta1.co.id KANTOR WS BENGAWAN SOLO
Jl Raya Kartasura KM.7
SURAKARTA 57102
PO Box 267 Telp. (0271)727270 Faks. (0271)727270 Email
: solo@jasatirta1.co.id
KANTOR PERWAKILAN JAKARTA Jl Bendungan Hilir Raya
Kompleks Kopro Banjir No 18
Jakarta Telp. (021)5749473 Faks.
(021)5737118 Email : jkt@jasatirta1.co.id
PERUSAHAAN
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