Courtesy colonies are found from local systems to superuniverse headquarters.  The groups working in courtesy colonies are: 
Courtesy colonies of Uversa served by seconaphim. 
Omniaphim are of grand universe assignment, and in Orvonton their corps maintains headquarters in the northerly parts of Uversa, where they reside as a special courtesy colony. 
See also: UB 30:2.149-157; UB 30:3.