- Hair Accessories & Barbers' Supplies
- Hair Care-Treatment Products & Services
- Hair Preparations
- Hand Bags-Manufacturers Equipment & Supplies
- Hand Bags-Retail
- Handicraft Supplies-Wholesale & Manufacturers
- Handicrafts-Foreign
- Handicrafts-Thai
- Handkerchiefs
- Hardened Metal
- Hardware-Retail
- Hardware-Wholesale & Manufacturers
- Hatcheries-Fish
- Hats-Retail
- Hats-Wholesale & Manufacturers
- Health Applicances & Services
- Health Care Product
- Health Foods
- Hearing Aids
- Heat Exchange Equipment
- Heat Sealing Equipment & Supplies
- Heaters
- Helium
- Herbs
- Hinges
- Historical Places
- Hoisting & Rigging Equipment
- Hologram
- Home Planning Service
- Home Stay
- Home-Contractor & Renovator
- Homes
- Honey
- Horse Farms & Equipment
- Hose Couplings
- Hose Couplings & Fittings
- Hose-Plastic
- Hose-Rubber
- Hospital Equipment & Supplies
- Hospitals
- Hot Stamping
- Hotel & Motel Equipment & Supplies
- Hotel-Reservation Services
- Hotels (Bangkok Metro)
- Hotels (Outside Thailand)
- Hotels (Up-Country)
- Hotels (Up-Country)-Central
- Hotels (Up-Country)-East
- Hotels (Up-Country)-North
- Hotels (Up-Country)-Northeast
- Hotels (Up-Country)-South
- House Furnishings
- House Inspection
- Houses, Buildings & Factories-Precut & Prefabricated
- Hydraulic Equipment
- Hydrogen
