12 drugstore chains that no longer exist

• The history of drugstores in the US is filled with stories of acquisitions, mergers, and rebranding pushes.
• Major pharmacy companies like CVS, Rite Aid, and Walgreens established themselves by buying up rivals.

• Check out these now-defunct drugstores that are no longer in business.
• Visit Business Insider's homepage for more stories.

The drugstore business is cannibalistic, to say the least.

Retail history has seen plenty of regional and national chains rise up and expand, only to be devoured by a more successful or larger competitor.

Read more: 12 department stores that disappeared before the retail apocalypse even began to rage

In most cases, the dominant drugstore went on to retire its acquisition's brands in the initial years following the merger.

Here's a list of drugstores that have been lost to history:

Adams Drug Company first opened in 1932 in Rhode Island. Supermarket chain Pantry Pride bought the company in 1984, and the brand disappeared a few years later.

Source: The New York Times, Bryant University

George Omar Guy founded the G.O. Guy chain of drugstores in 1888. Pay n' Save bought the business in 1987.

Source: "Vanishing Seattle," "Lost Restaurants of Seattle"

Founded in Queens in 1924, Genovese Drug Stores were a mainstay in New York City, Long Island, New Jersey, and Connecticut at their peak. But when JCPenney bought up the chain in 1998, the remaining Genovese stores ultimately rebranded as Eckerd pharmacies.

Source: The New York Times, Newsday, Tribune Business News