Plains All American Pipeline LP $25,507,348 NOV Inc $1,431,682 Breitburn Energy Partners L.p. $0 Plains Gp Holdings Lp $33,248,770 Plains All American Pipeline LP $25,507,348 NOV Inc $1,431,682 Breitburn Energy Partners L.p. $0 Plains Gp Holdings Lp $33,248,770