Our Main Office is located at:

Ground Floor, L & S Building, 1414 Roxas Boulevard,
Ermita, Manila, Philippines 1000

• E-mail: siems@dahlzen.bayandsl.ph
• Tel. No.: (632) 536-1878; (632)536-1797; (632)526-2253
• Fax No.: (632) 522-4978