List of Companies begin with "H"
- H & Q Asia Pacific Venture Management Pte Ltd
- H & W International (Pte) Ltd
- H F Wong Enterprise
- H G Tan Building & Plumbing Contractor
- H H Robertson (SEA) Pte Ltd
- H H Tan-Urology Centre Pte Ltd
- H J Auto Pte Ltd
- H K Contractor Pte Ltd
- H K Hardware & Engrg Pte Ltd
- H K Ho Women & Fertility Clinic Pte Ltd
- H K Interior Design
- H Khan & Sons
- H L Gifts & Trading
- H L Group (S) Pte Ltd
- H L Motor Service
- H L S Jade House
- H P Heng Management Services
- H T Flora
- H Team Insurance Brokers & Consultants Pte Ltd
- H. L. Yong Company (Private) Limited
- H. Rogers Trading (CM) Pte Ltd
- H.L. Defence Technology Pte Ltd
- H20 Aquarium & Hobby
- H2O Design Solutions
- Haach Face Skin & Body Care Pte Ltd
- Haach Moment
- Haameed Kamal Trading
- Haar Attic
- Habanos The Fine Cigar People
- Habasit Far East Pte Ltd
- Habib Bank Ltd
- Habib Family Restaurant
- Habib Handicrafts
- Habitat Properties Pte Ltd
- Habitat Upholstery
- Hachette Filipacchi Singapore Pte Ltd
- Hachi Tei Japanese Food
- Hae Bok's Korean Restaurant Pte Ltd
- Haem-Onc Clinic Pte Ltd
- Haeuei Enterprise
- Haf Box Pte Ltd
- Hafary Pte Ltd
- Hafele Singapore Pte Ltd
- Hagemeyer (Singapore) Pte Ltd
- Hager Electro Systems Pte Ltd
- Haggai Institute For Advanced Leadership Training Ltd
- Haggar Enterprises
- Hagley & Hoyle Private Limited
- Hahnemann Travel & Tours Pte Ltd
- Hai Cheong Plastics Pte Ltd
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