Plains All American Pipeline LP $25,718,527 NOV Inc $1,431,682 Breitburn Energy Partners L.p. $0 Plains Gp Holdings Lp $33,677,907 Plains All American Pipeline LP $25,718,527 NOV Inc $1,431,682 Breitburn Energy Partners L.p. $0 Plains Gp Holdings Lp $33,677,907