| NAICS code | NAICS Text
| SIC code | SIC Text
|
| 111332 | Grape Vineyards | 0172 | Grapes |
| 1114 | Greenhouse, Nursery, and Floriculture Production | | |
| 112420 | Goat Farming | 0214 | Sheep and Goats (goat farms) |
| 212220 | Gold Ore and Silver Ore Mining | | |
| 212221 | Gold Ore Mining | 1041 | Gold Ores |
| 235920 | Glass and Glazing Contractors | 1793 | Glass and Glazing Work |
| 235920 | Glass and Glazing Contractors | 1799 | Specialty Trade Contractors, NEC (tinting glass work) |
| 3112 | Grain and Oilseed Milling | | |
| 315992 | Glove and Mitten Manufacturing | 2381 | Dress and Work Gloves, Except Knit and All-Leather (except contractors) |
| 315992 | Glove and Mitten Manufacturing | 3151 | Leather Gloves and Mittens (except contractors) |
| 325191 | Gum and Wood Chemical Manufacturing | 2861 | Gum and Wood Chemicals |
| 3272 | Glass and Glass Product Manufacturing | | |
| 327210 | Glass and Glass Product Manufacturing | | |
| 327213 | Glass Container Manufacturing | 3221 | Glass Containers |
| 327215 | Glass Product Manufacturing Made of Purchased Glass | 3231 | Glass Products Made of Purchased Glass |
| 327420 | Gypsum Product Manufacturing | 3275 | Gypsum Products |
| 327420 | Gypsum Product Manufacturing | 3299 | Nonmetallic Mineral Products, NEC (moldings, ornamental and architectural plaster work and gypsum statuar |
| 327992 | Ground or Treated Mineral and Earth Manufacturing | 3295 | Minerals and Earths, Ground or Otherwise Treated (except grinding, washing, separating, etc. of nonmetall |
| 336312 | Gasoline Engine and Engine Parts Manufacturing | 3714 | Motor Vehicle Parts and Accessories (gasoline engines and engine parts including rebuilt) |
| 336414 | Guided Missile and Space Vehicle Manufacturing | 3761 | Guided Missiles and Space Vehicles (except research and development) |
| 336415 | Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing | 3764 | Guided Missile and Space Vehicle Propulsion Units and Propulsion Unit Parts (except research and developm |
| 339932 | Game, Toy, and Children's Vehicle Manufacturing | 3069 | Fabricated Rubber Products, NEC (rubber toys, except dolls) |
| 339932 | Game, Toy, and Children's Vehicle Manufacturing | 3944 | Games, Toys, and Children's Vehicles, Except Dolls and Bicycles (except metal tricycles) |
| 339932 | Game, Toy, and Children's Vehicle Manufacturing | 3999 | Manufacturing Industries, NEC (embroidery kits) |
| 339991 | Gasket, Packing, and Sealing Device Manufacturing | 3053 | Gaskets, Packing, and Sealing Devices |
| 4224 | Grocery and Related Product Wholesalers | | |
| 422410 | General Line Grocery Wholesalers | 5141 | Groceries, General Line |
| 422510 | Grain and Field Bean Wholesalers | 5153 | Grain and Field Beans |
| 4451 | Grocery Stores | | |
| 447 | Gasoline Stations | | |
| 4471 | Gasoline Stations | | |
| 447110 | Gasoline Stations with Convenience Stores | 5541 | Gasoline Service Station (gasoline station with convenience store) |
| 447110 | Gasoline Stations with Convenience Stores | 5411 | Grocery Stores (convenience store with gas) |
| 452 | General Merchandise Stores | | |
| 453220 | Gift, Novelty, and Souvenir Stores | 5947 | Gift, Novelty, and Souvenir Shops |
| 4841 | General Freight Trucking | | |
| 484110 | General Freight Trucking, Local | 4212 | Local Trucking without Storage (general freight) |
| 484110 | General Freight Trucking, Local | 4214 | Local Trucking with Storage (general freight) |
| 484120 | General Freight Trucking, Long-Distance | | |
| 484121 | General Freight Trucking, Long-Distance, Truckload | 4213 | Trucking, Except Local (general freight, truckload) |
| 484122 | General Freight Trucking, Long-Distance, Less Than Truckload | 4213 | Trucking, Except Local (general freight, less than truckload) |
| 493110 | General Warehousing and Storage | 4225 | General Warehousing and Storage (all but self-storage miniwarehouse warehousing) |
| 493110 | General Warehousing and Storage | 4226 | Special Warehousing and Storage, NEC (warehousing in foreign trade zones) |
| 511191 | Greeting Card Publishers | 2771 | Greeting Cards (publishing greeting cards) |
| 5323 | General Rental Centers | | |
| 532310 | General Rental Centers | 7359 | Equipment Rental and Leasing, NEC (general rental centers) |
| 541360 | Geophysical Surveying and Mapping Services | 8713 | Surveying Services (geophysical surveying ) |
| 541360 | Geophysical Surveying and Mapping Services | 1081 | Metal Mining Services (geophysical surveying and mapping) |
| 541360 | Geophysical Surveying and Mapping Services | 1382 | Oil and Gas Field Exploration Services (geophysical surveying and mapping) |
| 541360 | Geophysical Surveying and Mapping Services | 1481 | Nonmetallic Minerals Services, Except Fuels (geophysical surveying and mapping) |
| 541430 | Graphic Design Services | 7336 | Commercial Art and Graphic Design |
| 541430 | Graphic Design Services | 8099 | Health and Allied Services, NEC (medical artists) |
| 6221 | General Medical and Surgical Hospitals | | |
| 622110 | General Medical and Surgical Hospitals | 8062 | General Medical and Surgical Hospitals |
| 622110 | General Medical and Surgical Hospitals | 8069 | Specialty Hospitals, Except Psychiatric (children's hospitals) |
| 7132 | Gambling Industries | | |
| 713910 | Golf Courses and Country Clubs | 7992 | Public Golf Courses |
| 713910 | Golf Courses and Country Clubs | 7997 | Membership Sports and Recreation Clubs (golf clubs) |
| 811111 | General Automotive Repair | 7538 | General Automotive Repair Shops |
| 8132 | Grantmaking and Giving Services | | |
| 813210 | Grantmaking and Giving Services | | |
| 813211 | Grantmaking Foundations | 6732 | Educational, Religious, and Charitable Trusts |