Complex sentence: Landis Plastics, Inc. was based in Chicago Ridge, Illinois, with five domestic facilities supporting North American customers, manufacturing injection molded and thermoformed plastic packaging for dairy and other food products.
Split into simpler sentences: Landis Plastics, Inc. was based in Chicago Ridge, Illinois, with five domestic facilities supporting North American customers. Landis manufactured injection molded and thermoformed plastic packaging for dairy and other food products.