1 Kings 9:19-22

19all the storage cities that belonged to Solomon, the chariot cities, the cavalry cities, and whatever Solomon desired to build in Jerusalem, Lebanon, or anywhere else in the land of his dominion.

20As for all the peoples who remained of the Amorites, Hethites, Perizzites, Hivites, and Jebusites, who were not Israelites —

21their descendants who remained in the land after them, those whom the Israelites were unable to destroy completely  — Solomon imposed forced labor on them; it is still this way today.

22But Solomon did not consign the Israelites to slavery; they were soldiers, his servants, his commanders, his captains, and commanders of his chariots and his cavalry.