Crain Communications
（重定向自Crains）
Crain Communications Inc is an American publishing conglomerate based in Detroit, Michigan. The company publishes a variety of trade newspapers, including some city-based business newspapers, such as Crain's Cleveland Business, Crain's Chicago Business, Crain's Detroit Business, and Crain's New York Business. These weeklies follow the same formula, including finance, manufacturing, health care, real estate, technology, and government sections, as well as an "in-depth" section. In addition to newspaper production, the editors maintain Internet versions of these papers and offer e-mail news briefs free of charge.