One of Chicago's longest-lasting organizations  is The Pinkertons - founded in the 1850s as the Pinkerton National Detective Agency  by Scottish immigrant Allan Pinkerton.

平克顿 (The Pinkertons) 是芝加哥历史最悠久的组织之一，它于 1850 年代由苏格兰移民艾伦平克顿 (Allan Pinkerton) 创立，前身是平克顿国家侦探社。