联合道岔与信号公司

Union Switch & Signal Inc.
公司類型子公司 (1917–)[1]
公司結局1917 年首先被WABCo（英语：Westinghouse Air Brake Company）收购，後續相繼被其他公司收購。2009年1月，更名为“Ansaldo STS USA”
後繼機構日立軌道STS[1]
成立1881
结束2009年1月，​16年前​（2009-01） [2]
創辦人乔治·威斯汀豪斯
總部美国Swissvale, Pennsylvania（英语：Swissvale, Pennsylvania）
業務範圍全球
产业电子工业
產品轨道交通信号（英语：Railway signalling）设备、系统和服務
員工人數900（2005）
母公司日立軌道STS (1988)

联合道岔与信号公司[3]（英語：Union Switch & Signal Inc.，简称US&S、USSI ）是一家总部位于美國宾夕法尼亚州匹兹堡的公司，該公司主要提供铁路信号设备、系统和服务。联合道岔与信号公司于1881年5月5日由乔治·威斯汀豪斯创建，1988年被Ansaldo STS收购[1]。收购后，公司仍保留原名，直至2009年。2009年1月，更名为Ansaldo STS USA，作为Ansaldo在美洲和亚洲的子公司运营。

参考文献

  1. ^ 1.0 1.1 1.2 Let's Learn From the Past: Union Switch & Signal Co. by Brady Smith on the Pittsburgh Post-Gazette, 13 Mar 2014 (archived, 9 Apr 2015)
  2. ^ Ansaldo STS USA on Ansaldo website (archived, 8 Mar 2009)
  3. ^ 美国联合道岔与信号国际公司的安全设计原理和标准. 轨道交通安全技术与管理. 世界轨道交通论坛. 2004. 
  • L. Harris, Joanne. Safety on the rails: The Union Switch & Signal Story. Ansaldo STS USA, Inc. 2011. ASIN B005N955G2. 

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