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ReactionStream® is a Chicago tech company founded in 2011 by CEO, Steve Arend. We create spaces for users to share their reaction streams. A reaction stream is an individual's unique blend of focus points that they then "react" to. Our technology, formatted as a mobile app and a display website, allows users to share their reactions to selected topics. We provide the focus points and they provide the emotions. Customization is our specialty. Our platform is scalable to client and brand needs. Whether your focus is political, consumer or business related, we can provide the solution. Potential areas of interest can include sponsored platform content and ReactionStream® partnerships with live events and webinars.

ReactionStream LLC Questions

The ReactionStream LLC annual revenue was $1 million in 2026.

ReactionStream LLC is based in Chicago, Illinois.

The NAICS codes for ReactionStream LLC are [51711, 517110, 517, 5171, 51].

The SIC codes for ReactionStream LLC are [73, 7375, 737].

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