Forbes magazine’s annual roster of the 500 best large employers in the U.S. includes a quartet of firms headquartered in Greater Cincinnati: downtown’s Procter & Gamble (No. 27); Clifton’s Cincinnati Children’s Hospital (No. 92); plus Cintas (No. 290) and LensCrafters (No. 395), both in Mason. The business publication compiled the list in conjunction with market research company Statista to pinpoint the companies liked best by workers. Topping the list is Trader Joe’s, which is based in Monrovia, California, and has one local store, in Kenwood.