- NGU Holding AG
- Bartholoméplatz 3
- Bad Ragaz
- SG
- Nguyen Van Du - Loan Edelstein-Boutique
- Rorschach
- SG
- Nguyen Xuan Le Parkett Bodenbeläge
- Beatusstrasse 5
- St. Gallen
- SG
- NG Real Estate AG
- Gaiserwaldstrasse 6
- St. Gallen
- SG
- Nguyen Media Productions
- Kamorstrasse 18
- St. Gallen
- SG
- NG Bodenbeläge Georgiou
- Lämmlisbrunnenstrasse 16
- St. Gallen
- SG
- NGlobal AG
- Speerstrasse 37
- Uetliburg
- SG
- Nguyen Ke
- Torstrasse 20
- St. Gallen
- SG
- Nguyen-Ly
- Torstrasse 20
- St. Gallen
- SG
- Nguyen Trong Hai Parkettleger
- Toggenburgerstrasse 24
- Wil SG
- SG
- Nguyen Metallbau GmbH in Liquidation
- Oberstrasse 149
- St. Gallen
- SG
- Nguyen-Phan Thi Anh
- Spisergasse 6
- St. Gallen
- SG
- Nguyen & Tran
- Spisergasse 6
- St. Gallen
- SG
- Nguyen Gastro GmbH
- Trogenerstrasse 12
- Altstätten
- SG
- Nguyen's Outlet
- Kolbensteinstrasse 3
- Montlingen
- SG
- NGH Glashalle Rappi AG in Liquidation
- Merkurstrasse 50
- Rapperswil
- SG
- NG Green Trade AG
- Goethestrasse 61
- St. Gallen
- SG
- Nguyen Daniel
- Wengistrasse 10
- St. Gallen
- SG
- Nguyen + Lu
- Kornhausstrasse 26
- St. Gallen
- SG
- Nguyen Surfaces Boden
- Bildfeldstrasse 27
- Bronschhofen
- SG
- Nguyen July Nails
- Poststrasse 6
- Wil
- SG
- NG Performance Grujic
- Rorschacherstrasse 102
- Mörschwil
- SG
- Ngoc Hue Tran
- Langgasse 8
- St. Gallen
- SG