GotU covers all categories using 3 types of campaigns:
Brand awareness campaign - mainly for businesses with a Store Front such as retailers.
Reach & clicks campaign - for any online promotions and online businesses.
Reach & Leads campaign - mainly for service providers such Roofers, lawyers, cleaners, etc.
Facebook is less effective for Emergency Services like Plumbers. However if that plumber also has a service that is not demand/emergency based GotU provide a very effective campaign, as they do many times with plumbers.