In information technology:

• Electronic direct marketing, another term for E-mail marketing
• Electronic Direct Mail
• Electronic document management, the tracking and storage of electronic documents
• Enterprise Data Management
• Enterprise Data Modeling
• Enterprise Decision Management
• Enterprise Directory and Messaging
• Entity Data Model, the conceptual schema of data that Microsoft ADO.NET Entity Framework works with.

In science and engineering:

• Electrical discharge machining, a machining method
• Electric dipole moment, a concept in physics
• Electronic distance meter, a device used in surveying
• Engineering Data Management, also known as Product Data Management

In music:

• Early Day Miners, a U.S. band
• Electronic dance music, a music genre

In School:

• Escola Catolica Estrela do Mar (Macau)

Organizations:

• Department of Essential Drugs and Medicines of the World Health Organization
• Expertise Centre for Digital Media, a research institute of Hasselt University

Other:

• Early day motion, a parliament related term
• Earthquake disaster mitigation, a form of emergency management
• Easter Dating Method, referring to the calculation of the date of Easter
• European Domestic Market in the automobile industry
• Edmonds (Amtrak station), Washington, United States; Amtrak station code EDM
• an abbreviation for Edmonton, Alberta, Canada
• EDM can also stand for Economic Development Manager