APSOT staff is located at TECHINT’s building, Av. Córdoba 302/320, City of Buenos Aires. Phone 4018-2500. Fax 4018-8787.
Our offices in the interior of the country are the following:

CITY OF BUENOS AIRES Av. Córdoba 302/320

CAMPANA
French 325
Phone 03489-4310042/431763
Fax 03489-424144

ENSENADA – SIDERAR Plant
Av. Alte. Brown
Phone – Fax 0221-4296187

SAN NICOLÁS
Moreno 187
Phone  03461-425362/429692
Fax 03461-437600

GRAL. SAVIO - Siderar SAIC
General Savio Plant
Phone 03461-438930
Fax 03461-438936

ROSARIO
Peatonal Córdoba 1147, 4º, of. 10
Phone - Fax (540 341-4112698
e-mail: osap@citynet.net.ar