Sentence:  Service running through Barnumville and to Bennington County towns east of the mountains was in the hands of the `` <WSD>Gleason</WSD> Telephone Company '' in 1925 , but major supervision of telephone lines in Manchester was with the New England Telephone and Telegraph Company , which eventually gained all control . 
Meaning of the word marked with <WSD> tags:  any number of entities (members) considered as a unit