Siden
Company · Alexandria, United States
Website: siden.io. Streaming-native connectivity platform; Columbia Capital portfolio company listed in Alexandria, VA.
Recent activity confirmed, checked October 14, 2026.
1 relationship with other organizations documented in IE research. Members see who they are and the evidence.
In context
Siden is one of 5 companies in Alexandria, Virginia listed in the Innovative EcoSystems registry, and one of 898 across the United States.
The registry lists 162 innovation ecosystem organizations in Alexandria, Virginia in all.
Companies active in the regional innovation ecosystem, as partners, customers, employers or investors.
The United States scores 68.5 out of 100 on the IEPA (2024 edition), ranking 21 of 117 economies.
See the United States on the IEPA ↗
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Corporate R&D - Alexandria Department of Community and Human Services
Government or public body - American Society of Clinical Oncology
Health research - Columbia Capital
Investor or fund - Entrepreneurs' Organization
Network or association - Carlyle House Historic Park
Organization - America's Seed Fund (NSF SBIR/STTR)
Program
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