There are a number of ways you can do this. One would be to have some other identifier and then on the page you want to display them on have a choice field where you select from a list of this other identifier to show only the ones that have it. Another way would be to create a select field that lets you choose them by the service title. https://www.advancedcustomfields.com/resources/dynamically-populate-a-select-fields-choices/
