Besides humans what other specie domesticates other species?

Aphids and other hemipteran insects secrete a sweet liquid called honeydew, when they feed on plant sap. The sugars in honeydew are a high-energy food source, which many ant species collect. In some cases, the aphids secrete the honeydew in response to ants tapping them with their antennae. The ants in turn keep predators away from the aphids and will move them from one feeding location to another. When migrating to a new area, many colonies will take the aphids with them, to ensure a continued supply of honeydew. Ants also tend mealybugs to harvest their honeydew.

Several species of ants with aphids. Ants potty train aphids, herd them so they can be milked, carry them to better pastures, protect them from predators, and clip their wings so they can't fly away. It's kind of amazing.

Leaf-cutter ants, termites, and damselfish farm fungus or algae, if you're counting plants.

ants. keep aphids to provide a nursing fluid.

parasites keep their hosts to feed on.

None that I know of...