A machine for supplying containers that comprises: a hopper (10) configured to contain a plurality of containers (100) arranged randomly; a transfer station (20); and a first elevator (30) that has first horizontal blades (31) longitudinally, each of said first blades (21) being configured to collect a first container (101) from the hopper (10) and lift the same in a horizontal position to the transfer station (20). Said machine (1) comprises a second elevator (40), parallel to the first elevator (30), that has second horizontal blades (41) longitudinally, each of said second blades (41) being configured to collect a second container (102) from the hopper (10) and lift the same in a horizontal position to the transfer station (20); and an alignment station (50) configured to receive the first (101) and second containers (102) coming from the transfer station (20) and supply the same horizontally in an aligned manner.