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  2. Registration and Product Survey process
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  4. LoC registrations (current)

Base Stock Manufacturers registrants

The following companies have registered their Base Stock Manufacturers' Letter of Conformance (LoC) effective October 3, 2024.

A C E J L M N P R S T Y
Company Country
ADNOC Refining AE
AVISTA OIL Deutschland GmbH DE
Bapco Refining BH
Cepsa Comercial Petróleo S.A.U. ES
Chevron Products Company US
Excel Paralubes US
ExxonMobil Petroleum and Chemical bvba BE
MIN JUNG HONG INC TW
Motiva Enterprises LLC US
PETRONAS LUBRICANTS INTERNATIONAL SDN BHD MY
PURAGLOBE DE
Repsol Lubricantes y Especialidades ES
Shell International Petroleum Company Ltd GB
SK Lubricants NL
Sonatrach Raffineria Italiana Srl IT
YPF S.A. AR

This list will be updated monthly.

The appearance of an entity on this list only means that SAIL has entered in its register, as of the date of the list, a valid Letter of Conformance of the entity concerned, appearing, on the face of it, to be genuine. SAIL assumes no responsibility for the implementation by the entities identified above of their obligations, as defined in such Letter of Conformance, or for any damage that a breach thereof may cause to third parties. SAIL cannot be held responsible for any claims resulting from inclusion and non-inclusion of entities in this list. SAIL also declines any responsibility with regard to the external audit procedure, which belongs to the domain of the relevant auditor.