On3 builds an AI-enhanced mobile learning and knowledge platform for frontline workers in construction, homebuilding, and manufacturing. Field crews get short instructional video tutorials, step-by-step visual guidance, and an AI assistant that answers questions using the employer's own documented processes, all from a phone on the jobsite. The company was cofounded in 2020 by Paul Cardis and homebuilder Keith Anderson and ships a shared library of more than 1,200 construction learning videos alongside custom video production for subscribing customers. It is based in Madison, Wisconsin.