OEM is an original equipment manufacturer, a company that makes a part or subsystem that is used in another company's end product.

Look up OEM in Wiktionary, the free dictionary.

OEM may also refer to:

• Object Exchange Model, a model for exchanging data between object-oriented databases
• OEM font, or OEM-US, the original character set of the IBM PC, c. 1981
• Oracle Enterprise Manager, a computer application that aims to manage software produced by Oracle Corporation

• OEM International, a former construction company in Gibraltar
• Office for Emergency Management, a World War II function within the Executive Office of the United States Government
• Office of Emergency Management, a general term for emergency management functions
• Oklahoma Department of Emergency Management, for coordinating the response to a natural disaster
• Organización Editorial Mexicana, a Mexican print media company

• Occupational and Environmental Medicine, a medical journal

• All pages with titles beginning with OEM
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