Sentence:  Willow Run , General Electric 's enormous <WSD>installations</WSD> at Louisville and Syracuse , the Pentagon , Boeing in Seattle , Douglas and Lockheed in Los Angeles , the new automobile assembly plants everywhere - none of these is substantially served by any sort of conventional mass rapid transit . 
Meaning of the word marked with <WSD> tags:  a building or place that provides a particular service or is used for a particular industry