In Ukraine:
- https://vrk.org.ua/coalition/ — All-Ukrainian Advertising Coalition
- http://out-of-home.ua/ — Ukrainian Outdoor Publishing
- https://www.facebook.com/Posterscope.Ukraine — Posterscope Ukraine, an Out-Of-Home agency in Ukraine
In the World:
- http://www.oaaa.org — Outdoor Advertising Association of America
- https://www.worldooh.org/ — The World Out of Home Organization
- http://www.outdoormediacentre.org.uk — Outdoor Media Centre (Great Britain)
- http://omaccanada.ca — Out-of-Home Marketing Association of Canada
