- Aiklam AG in liquidazione
- Poststrasse 22
- Coira
- GR
- Aio All in one CONSULTING SA
- Via dal Bagn 1
- St. Moritz
- GR
- Airstone AG in Liquidation
- Gürtelstrasse 11
- Chur
- GR
- Air Grischa Helikopter AG
- Polenlöserweg 30
- Untervaz
- GR
- Air Engiadina G650 AG
- Via Tinus 11
- St. Moritz
- GR
- Aigner Shop Davos Sierd und Karin Heijers
- Laret
- Davos Wolfgang
- GR
- Air Engiadina AG
- Via Tinus 11
- St. Moritz
- GR
- Air-Corviglia AG
- Via Maistra 4
- St. Moritz
- GR
- ais - sportschule, Werner Stoffel
- Kaltbrunnstrasse 7
- Chur
- GR
- Airport-Garage Geronimi SA
- Cho d'Punt 24
- Samedan
- GR
- Air Grischa Helikopter AG
- Plazza Aviatica 4
- Samedan
- GR
- air grischa engiadina ag in Liquidation
- Plazza Aviatica
- Samedan
- GR
- aio logistics GmbH in Liquidation
- Felsenaustrasse 5
- Chur
- GR
- AiTecc elettronica di Bonesi Damon
- Via Cantonale 69 C
- San Vittore
- GR
- Air Davos Tschuggen AG in Liquidation
- Promenade 132 A
- Davos
- GR
- Aimara AG
- Palü Daint 109c
- Müstair
- GR
- AIC Handel AG in Liquidation
- Martinsplatz 8
- Chur
- GR
- Aiolos Energy AG
- Scharanserstrasse 3
- Scharans
- GR
- Aivla Vista AG
- Via Tinus 3
- St. Moritz
- GR
- Air Inovation AG in Liquidation
- Grabenstrasse 15
- Chur
- GR
- AiTecc elettronica Sagl
- Via Cantonale 69C
- San Vittore
- GR
- Aifach guat GmbH
- Fraumatte 76
- Praden
- GR
- Aimara AG
- Grünbergstrasse 1
- Chur
- GR
- AirBelt Reto Stoffel
- Nordstrasse 1
- Chur
- GR
- Airco GmbH
- Trotsch 26
- Lenzerheide/Lai
- GR
- Aimara AG
- Via da Manaröl 682
- Scuol
- GR
- AirFusion-Film KLG
- Hirschengasse 37
- Igis
- GR
- AirMarker AG
- Industriestrasse 4
- Malans
- GR