Challenge Works Competitors and Similar CompaniesClear all
Challenge Works's competitors and similar companies include Sister Cities International.
 Challenge Works Challenge Works (also known as Nesta Challenges) is a company offering challenge prizes for innovative solutions. |  Sister Cities International Sister Cities International is a nonpartisan nonprofit serving as the national membership organization for sister cities, counties, and states. | |
Founding Date | Founding Date 2012 | Founding Date 1956 |
Type | Type Subsidiary | Type Private |
Tags | ||
Locations | Locations London, GB HQ | Locations Washington, US HQ |
Employees | Employees 562% increase | Employees 1116% increase |
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Sister Cities International
HQ
Washington, US
Employees
111↑ 6% increase
Sister Cities International is a nonpartisan nonprofit serving as the national membership organization for sister cities, counties, and states.
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