EXHIBIT 21.1

      Subsidiaries and Partnerships of Plains All American Pipeline, L.P.

Corporations

 .  Plains Marketing GP Inc.

 .  PMC (Nova Scotia) Company

 .  Plains Marketing & Transportation, Inc.


Partnerships

 .  Plains Marketing, L.P.

 .  All American Pipeline, L.P.

 .  Plains Marketing Canada, L.P


Limited Liability Companies

 .  Plains Marketing Canada LLC