AmeriGas Partners, L.P.

Blueknight Energy Partners, L.P.

Buckeye Partners, L.P.

Cedar Fair, L.P.

Energy Transfer Partners, L.P.

Enterprise Products Partners, L.P.

Ferrellgas Partners, L.P.

Kinder Morgan Energy Partners, L.P.

NuStar Energy, L.P.

ONEOK Partners, L.P.

Suburban Propane Partners, L.P.

TC Pipelines, L.P.