The North American Industry Classification System (NAICS, pronounced Nakes) was developed as the standard for use by Federal statistical agencies in classifying business establishments for the collection, analysis, and publication of statistical data related to the business economy of the U.S. NAICS was developed under the auspices of the Office of Management and Budget (OMB), and adopted in 1997 to replace the old Standard Industrial Classification (SIC) system. It was also developed in cooperation with the statistical agencies of Canada and Mexico to establish a 3-country standard that allows for a high level of comparability in business statistics among the three countries. NAICS is the first economic classification system to be constructed based on a single economic concept.

NAICS Code Description
111110 Soybean Farming
111140 Wheat Farming
111150 Corn Farming
111160 Rice Farming
111191 Oilseed and Grain Combination Farming
111199 All Other Grain Farming
111211 Potato Farming
111219 Other Vegetable (except Potato) and Melon Farming
111331 Apple Orchards
111332 Grape Vineyards
111335 Tree Nut Farming
111336 Fruit and Tree Nut Combination Farming
111339 Other Noncitrus Fruit Farming
111411 Mushroom Production
111419 Other Food Crops Grown Under Cover
111421 Nursery and Tree Production
111422 Floriculture Production
111910 Tobacco Farming
111920 Cotton Farming
111998 All Other Miscellaneous Crop Farming
112111 Beef Cattle Ranching and Farming
112112 Cattle Feedlots
112120 Dairy Cattle and Milk Production
112130 Dual-Purpose Cattle Ranching and Farming
112210 Hog and Pig Farming
112310 Chicken Egg Production
112320 Broilers and Other Meat Type Chicken Production
112330 Turkey Production
112340 Poultry Hatcheries
112390 Other Poultry Production
112511 Finfish Farming and Fish Hatcheries
112512 Shellfish Farming
112519 Other Aquaculture
112910 Apiculture
112920 Horses and Other Equine Production
112930 Fur-Bearing Animal and Rabbit Production
112990 All Other Animal Production
113110 Timber Tract Operations
113210 Forest Nurseries and Gathering of Forest Products
113310 Logging
114111 Finfish Fishing
114112 Shellfish Fishing
114119 Other Marine Fishing
114210 Hunting and Trapping
115111 Cotton Ginning
115112 Soil Preparation,Planting,and Cultivating
115113 Crop Harvesting,Primarily by Machine
115114 Postharvest Crop Activities (except Cotton Ginning)
115115 Farm Labor Contractors and Crew Leaders
115116 Farm Management Services
115210 Support Activities for Animal Production
115310 Support Activities for Forestry

The SIC covers the entire field of economic activities by defining industries in accordance with the composition and structure of the economy. Over the years, it was revised periodically to reflect the economy's changing industry composition and organization. The Office of Management and Budget (OMB) last updated the SIC in 1987.

SIC Industry Groups

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