Second party logistics involve specifically the carriers of goods for the transaction, which can be rail, road, sea and/or air.
A second party logistic provider specialise in the transport area of the supply chain, getting goods from one point to another. They can be an asset-based carrier and own the means of transportation, for example shipping lines which charter or lease their own ships, or airlines that are contracted to use their passenger flights to transport air freight from origin A to destination B.