Northumbrian is listed in:
 Newspaper and Magazine Publishers
 Newspaper and Magazine Publishers in Tyne and Wear
 Newspaper and Magazine Publishers in Newcastle Upon Tyne

Ad Trader (Gateshead) is listed in:
 Newspaper and Magazine Publishers
 Newspaper and Magazine Publishers in Tyne and Wear
 Newspaper and Magazine Publishers in Gateshead

Herald and Post is listed in:
 Newspaper and Magazine Publishers
 Newspaper and Magazine Publishers in Tyne and Wear
 Newspaper and Magazine Publishers in Newcastle Upon Tyne

Inca Publishing Ltd is listed in:
 Newspaper and Magazine Publishers
 Newspaper and Magazine Publishers in Tyne and Wear
 Newspaper and Magazine Publishers in Sunderland