An apparatus and method are provided for efficient filling of bulk containers with free-flowing bulk materials. The apparatus is configured to support multiple industrial containers and fill them with bulk materials stored in a batching hopper in an effective and expedient manner. The filled bulk material containers are transported away for storage or use. The apparatus includes a rotatable multi-container support assembly for rotating the empty containers into a filling station under the batching hopper. A controller and data logger may be provided to control the apparatus and record the type, quantity and/or weight of each batch of the bulk material dispensed into the industrial containers.