About Inc. magazine Founded in 1979 and acquired in 2005 by Mansueto Ventures , LLC . , Inc. magazine ( www.inc.com ) is the only major business magazine dedicated exclusively to owners and managers of growing private companies that delivers real solutions for today 's innovative company builders . With a total paid circulation of 724,110 , Inc. provides hands-on tools and market-tested strategies for managing people , finances , sales , marketing , and technology .