With a market capitalization (market cap) of $17.07B — a measure of how much the company is worth — Plains All American Pipeline, L.P. is the 678th most valuable company in Energy as of August 18, 2026. Shares trade at $24.19, up +1.85% on the day.
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Plains All American Pipeline, L.P., through its subsidiaries, engages in the pipeline transportation, terminalling, storage, and gathering of crude oil and natural gas liquids (NGL) in the United States and Canada. The company operates through two segments, Crude Oil and NGL. The Crude Oil segment offers gathering and transporting crude oil through pipelines, trucks, and on barges or railcars. This segment provides terminalling, storage, and other related services, as well as merchant activities. The NGL segment is involved in natural gas processing and NGL fractionation, storage, transportation, and terminaling. This segment also includes ethane, propane, normal butane, iso-butane, and natural gasoline derived from natural gas production and processing activities, as well as crude oil refining processes. Its NGL components are used for various applications, such as heating, engine, and industrial fuels.The company was founded in 1981 and is headquartered in Houston, Texas. Plains All American Pipeline, L.P. operates as a subsidiary of Plains GP Holdings, L.P.
Visit websiteAs of August 18, 2026, Plains All American Pipeline, L.P. (PAA) is worth $17.07B — this is its market capitalization, the total value of all its outstanding shares.
Plains All American Pipeline, L.P.’s market cap is $17.07B, which ranks it #678 among the most valuable companies in the Energy sector tracked on MarketCapLens.
Plains All American Pipeline, L.P. (PAA) shares trade at $24.19, up 1.85% on the day, as of August 18, 2026.
Fundamentals are annual. Figures labeled with their fiscal year.
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Plains All American Pipeline, L.P. trades at a price-to-earnings (P/E) ratio of 14.6, based on its latest share price and annual earnings per share.