Contact

Main Office

  • Barangay Road Bo. Mamplasan,, Biñan, Laguna, Philippines
  • Phone: (02) 584-4361 / (02) 502-8948
  • Fax: (02)889-9058 / (02)848-6951
  • E-mail: customer.service@ostrealabs.com.ph

Pampanga

  • Unit 17-D Philexcel Business Park, Clark Ecozone, Pampanga, Philippines
  • Fax: (045) 499-1183
  • E-mail: customer.service@ostrealabs.com.ph

Makati

  • G14 Valero Plaza, 124 Valero St., Salcedo Village, Makati City, Philippines
  • Phone: (02) 812-3135 / (02) 399-5158
  • E-mail: customer.service@ostrealabs.com.ph , omli.makati@ostrealabs.com.ph

Cebu

  • 342 V. Albano St., Bakilid,, Mandaue City, Philippines
  • Fax: (032) 343-6472
  • E-mail: omli.visayas@ostrealabs.com.ph
Surigao

  • Preston compound,, Poblacion, Tubod, Surigao Del Norte, Philippines
  • Phone: 0916-442-6432
  • E-mail: mindanao@ostrealabs.com.ph
Cagayan De Oro

  • C12 Pride Rock Business Park, Gusa, Cagayan De Oro City 9000
  • Telefax: (088) 852-5632
  • E-mail: omli.mindanao@ostrealabs.com.ph
Zambales

  • Bgy. Biay, Sta Cruz Zambales 2213
  • Phone: (0917) 885-4035
  • E-mail: customer.service@ostrealabs.com.ph