A computer-implemented method under control of one or more computing devices configured with specific computer-executable instructions, the method comprising: receiving a request from a first user of a group of users for an empty export container; notifying the group of users of the request; receiving an offer from a second user of the group of users to match the request by exchanging an empty import container owned or leased by a shipping line; notifying the first user of the offer; if the offer is accepted by the first user, determining if the empty import container is approved by the shipping line top be exchanged as the empty export container; if the empty import container is approved, notifying the first and second users to exchange the empty import container as the empty export container.