- Gambling activities, excluding casinos
- Game Console Repair
- Gaming activities (e.g. casinos, bingo)
- Garden Supplies and Equipment Agents
- Garment manufacturing
- Garment Manufacturing from Textiles Fabrics
- Gas Station Owners and Operators
- Gathering and Processing of Stemmed and Stripped Burley and Maryland Type Cigarette-type Tobaccos
- GED Preparation Classes
- General medical practice activities
- Generator Rental
- Genetic Characterization of Seeds
- Genetics & Molecular Biology
- Geo Technical Services
- Geological and geophysical services
- Geosciences research
- Geotechnical Engineering
- Geotechnical engineering services
- Geriatric Care
- Geriatric Physiotherapy Services
- Geriatrics
- Germination Tests for Seeds
- Gilding and Marbling
- Glamping sites
- Glass Cutting
- Glass Product Packaging
- Glass Recyclables and Waste Material Wholesaling
- Glass Replacement and Windshield Repair
- Glassware/Crystal Stores
- Glazing Contractor Services
- Glazing Installation
- Glazing Repair Services
- Glazing works
- Go-Kart Rentals
- Go-Kart Tracks
- Go-Karting Parks
- Golf Course and Country Club Operations
- Golf instruction and lessons
- Gourmet Pizza Places
- Government Relations
- Government Services
- Grain Mill Product Manufacturing
- Grain Storage Solutions
- Graphic design
- Grease Trap Cleaning & Servicing
- Greeting Card Printing
- Greeting Cards & Posters
- Grocery/Convenience Store Retail
- Grocery Delivery Services
- Grocery Merchant wholesales
- Grocery retailing via stalls/markets
- Grocery Stores/Markets/Delis
- Grocery wholesalers
- Ground Equipment Maintenance & Repair Services
- Ground handling services
- Ground Support Equipment and Services for Aircrafts
- Ground support for space missions
- Groundwater Treatment
- Group Homes for the Elderly and Disabled
- Group Homes for Persons with Mental Retardation and Mental Disabilities
- Growing of Apricots
- Growing of cereals (except rice) and leguminous crops
- Growing of flowers for ornamental purposes
- Growing of Gerberas in Greenhouses
- Growing of melons, such as watermelons and cantaloupes
- Growing of Mushrooms for Sale
- Growing of nurseries and flower seeds
- Growing of Avocados
- Growing of Barley
- Growing of Carnations in Greenhouses
- Growing of Cherries
- Growing of Cigarette Tobacco
- Growing of Citrus Fruit
- Growing of Cocoa
- Growing of Coffee
- Growing of cruciferous vegetables (cabbage family)
- Growing of Cumin
- Growing of Eggplant
- Growing of Field Peas and Beans
- Growing of hops
- Growing of Lilies in Greenhouses
- Growing of Lychees
- Growing of Mangoes
- Growing of Oats
- Growing of oilseeds
- Growing of Oilseeds (Soybean, Rapeseed/Canola, Sunflower etc.)
- Growing of Olive Trees
- Growing of oranges
- Growing of Other Tree Nuts
- Growing of other vegetables
- Growing of Papayas
- Growing of Peanuts
- Growing of Raisin Grapes
- Growing of Snuff Tobacco
- Growing of Sorghum
- Growing of Spices
- Growing of sugar cane
- Growing of tobacco
- Growing of Tomatoes
- Growing of Tubers
- Growing of vegetables
- Growing of Walnuts
- Growing of Wheat
- Growing of Wine Grapes
- Growing of onions in greenhouses
- Growing of peanuts and other oilseeds
- Growing Sweet Potatoes and Yams
- Growing of vegetables in containers/pots
- Growing of vegetables and melons