| 1 | | Olejkárska 2375/1 | Bratislava |  SK | | +421 259505950 | Orban Julius | |
| 2 | | Värmeverksvägen 12 | Kiruna |  SE | | +46 98070723 | Niklas Sirén | |
| 3 | | 3 ZA Um Lënster Bierg | Junglinster |  LU | | +352 7804541 | Jean Clement | |
| 4 | | 290 Bd Charles de Gaulle | Esch-sur-Alzette | LU | | +352 5742321 | Arni Biren | |
| 5 | | Mlynarovičova 14 | Petržalka | SK | | +421 262524881 | Orban Julius | |
| 6 | | Námestie Franza Liszta 3215/3 | Bratislava | SK | | +421 259504618 | Dominik Boskovic | |
| 7 | | 73 Bp | Dudelange | LU | | +352 5161211 | Danielle Igniti | |
| 8 | | St. Petersburger Straße 9 | Dresden |  DE | | +49 3514884301 | Umwelt Stadtoekologie | |
| 9 | | Gevelsberger Str. 114 | Sprockhövel | DE | | +49 233991450 | Elisabeth Beyer | |
| 10 | | Bahnhofpl. 9 | Fürth | DE | | +49 91197044000 | Cornelia Bommer | |
| 11 | | Bulevar kralja Aleksandra 282 | Beograd |  RS | | +381 113040700 | Tamara Motrenko | |
| 12 | | Sebastiana Klonowica 5 | Szczecin |  PL | | +48 914800444 | Magdalena Murawska | |
| 13 | | N/A | 9 Pl. de la Gare | LU | | +352 35249900 | Patrick Medinger | |
| 14 | | N/A | Pl. de la Gare | LU | | +352 24892489 | Patrick Medinger | |
| 15 | | RTA Headquarter, 5th St Off Marrakech St, Near Enoc Gas Station | Dubai |  AE | | +971 8009090 | Dana Ghazalah | |
| 16 | | 340 US-84 | Fairfield |  US | | +1 9033893530 | Doug Davies | |
| 17 | | Dubai Municipality, Al Manara Center, Sheikh Zayed Rd Near Noor Bank Metro Station, Al Safa 2 | Dubai | AE | | +971 8009090 | Dana Ghazalah | |
| 18 | | Effingerstrasse 19 | Bern |  CH | | +41 313217070 | Daniel Haemmerli | |
| 19 | | Station "Hauptwache", B-Ebene | Frankfurt am Main | DE | | +49 69194492 | P Hofbauer | |
| 20 | | 2321 Avenue du Mont-Royal E | Montréal |  CA | | +1 5147864636 | N/A | |