Bryan McAllister’s personal reference notebook
July 27, 2026Short & citedBlog
Civic Viewpoint.
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Money & Work • Retail

ampm

ampm is an American convenience store chain owned by BP America, Inc., a subsidiary of BP.

Updated July 27, 20261 min readCited sources

ampm is an American convenience store chain owned by BP. It operates in several western U.S. states and has a history tied to ARCO.

What it is

ampm is a convenience store chain in the United States. It is owned by BP America, Inc., a subsidiary of BP. The brand was originally founded by the Atlantic Richfield Company (ARCO), which BP acquired in 2000.

Where it operates

ampm stores are located in Arizona, California, Nevada, Oregon, and Washington. The brand has also had international branches in countries such as Costa Rica and Brazil.

History

ampm left the Eastern United States in 2012 but later returned with a store in The Bronx, New York. The chain's ownership changed when BP acquired ARCO in 2000.

In short

  • Owned by BP via BP America, Inc.
  • Operates in five western U.S. states.
  • Founded by ARCO, acquired by BP in 2000.
  • Left Eastern U.S. in 2012, returned with Bronx store.

Quick questions

What is ampm?
An American convenience store chain.
Who owns ampm?
BP America, Inc., a subsidiary of BP.
Where does ampm operate?
In Arizona, California, Nevada, Oregon, and Washington, with some international locations.

Sources

  1. Wikipedia — https://en.wikipedia.org/wiki/Ampm
    Supports: Basic description of ampm as an American convenience store chain, ownership by BP America, Inc., operating regions, and history of Eastern U.S. withdrawal and return.