The Challenge Cup, organized by District-based start-up hub 1776, will pit entrepreneurs from 16 cities worldwide against one another in a business pitch competition in May. The contestants hail from one of four sectors regulated by government. Meet D.C.’s finalists:

Education

Name: eduCanon

Location: Boston (moving to Washington region in January)

Founded: 2013

Description: The start-up’s software allows teachers to make online video more interactive for students and collect data on their comprehension.

Smart Cities

Name: RideScout

Location: District

Founded: 2011

Description: Would-be motorists can find an alternate ride from other users headed in their same direction, using the company’s mobile application.

Health

Name: Dorsata

Location: District

Founded: 2011

Description: The company’s software allows doctors from different disciplines to develop and share research-based treatment plans for patients.

Energy

Name: Ethical Electric

Location: Georgetown

Founded: 2011

Description: Households can switch to wind power or other renewable energy sources in minutes through the company’s Web site.