Company Names, addresses, dates:
  Summers & Allen

Notes:
Presumably the "Summers" was "Charles J.W. Summers", who's name also appears on Alexandria bottles¹.
An Alexandria directory from 1888 at this web site lists "Summers & Allen" as "Soda Water Manufacturers" at "102 & 104 N. Pitt".

Bottles:

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Aqua 7.5" Baltimore loop top bottle marked: front: SUMMERS & ALLEN / ALEXANDRIA / VIRGINIA