A horizontal market meets a given need of a wide variety of industries, in place of a specific one: for example, word processing instrument or laptop to computing device technologies. On event a horizontal market can be highly specialized at the same time. Consider the market for converting mainframe databases constructed with the tools of a distinctive company. The marketplace for such a database conversion provider might involve many vertical markets aerospace, production, banking, etc.
but nevertheless be labelled “niche” if the database generation is technically out of date and not mainstream.