- Agri/Washington
 - Agricultural public affairs firm offering association and conference management, media and public relations, publications, and more. - Development Alternatives, Inc.
- Bethesda - Provides consulting for agribusiness, economic policy, enterprise development, public sector and natural resource management, and information management
- Fintrac
- A market research and information technologies firm which specialises in agribusiness development. Site provides access to GAIN, the Global Agribusiness Information Network.
- Great Country Farms
- Purcellville - Offers a way for everyone to experience farm life and enjoy the benefits of its bounty.
- Mill Enterprises
- Lovettsville - Provides fencing, barn construction, horse rental and boarding and agricultural supplies.
- Promar International
- Alexandria - Strategic agricultural consulting and marketing company.
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