Businesses starting with G
- Guardian Pharmacies (toa Payoh Mrt)
- Guardian Pharmacies (united Sq)
- Guardian Pharmacies (wisma Atria)
- Guardian Pharmacies (world Trade Centre)
- Guardian Royal Exchange (asian Pacific) Pte Ltd
- Guardian Royal Exchange Assurance Plc
- Guardian Sea Pte Ltd
- Guardmasters Security Services
- Guardwell Security & Investigation Service Pte Ltd
- Guat Lam Ting Coffe Shop
- Guat Meng Interior Decoration
- Guava Amenities Pte Ltd
- Guay Eng Lee
- Guay Hai Song
- Guay Kim Hee
- Guay Kim Hua
- Guay Soon Lee
- Guay Su Kee
- Gucci Paragon
- Gucci Tex Int'l Pte Ltd