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Frequently Asked Questions and Contacts

Frequently Asked Questions (FAQs)

Click here to access FAQs on iSupplier, DO2 and other topics.

Supplier Help Desk

For inquiries about using the iSupplier Portal, please first consult with your company-designated iSupplier Portal Security Administrator. For additional assistance regarding the iSupplier Portal and supplier related business processes, contact the Supplier Help Desk.


Country (subsidiary) Phone Number Business Hours
Republic of Argentina Upcoming Upcoming
Republic of Bolivia Upcoming Upcoming
Republic of Colombia Upcoming Upcoming
Great Socialist People's
Libyan Arab Jamahiriya		 Upcoming Upcoming
Sultanate of Oman +968 24581003 Business days - 8am to 5pm - Local time
State of Qatar +974 4459 383 Business days - 8am to 5pm - Local time
Republic of Yemen +967 1 414990 ext 303 Business days - 8am to 5pm - Local time
United Arab Emirates +971 2 6917622 Business days - 8am to 5pm - Local time
United States of America +1 800-699-4357 24 hours, 7 days a week


Important: Processes, applications and business rules included in this webpage are being implemented worldwide beginning with Oxy's operations in the United States, Sultanate of Oman, State of Qatar, Republic of Yemen and United Arab Emirates. Additional countries/subsidiaries will be included in the coming months.