| NAICS code | NAICS Text
| SIC code | SIC Text
|
| 1113 | Fruit and Tree Nut Farming | | |
| 111336 | Fruit and Tree Nut Combination Farming | 0179 | Fruits and Tree Nuts, NEC (combination farms) |
| 111410 | Food Crops Grown Under Cover | | |
| 111422 | Floriculture Production | 0181 | Ornamental Floriculture and Nursery Products (floriculture farming) |
| 112511 | Finfish Farming and Fish Hatcheries | 0273 | Animal Aquaculture (finfish farms) |
| 112511 | Finfish Farming and Fish Hatcheries | 0921 | Fish Hatcheries and Preserves (finfish hatcheries) |
| 112930 | Fur-Bearing Animal and Rabbit Production | 0271 | Fur-Bearing Animals and Rabbits |
| 113 | Forestry and Logging | | |
| 1132 | Forest Nurseries and Gathering of Forest Products | | |
| 113210 | Forest Nurseries and Gathering of Forest Products | 0831 | Forest Nurseries and Gathering of Forest Products (forest products, except gathering of maple sap) |
| 114 | Fishing, Hunting and Trapping | | |
| 1141 | Fishing | | |
| 114110 | Fishing | | |
| 114111 | Finfish Fishing | 0912 | Finfish |
| 115115 | Farm Labor Contractors and Crew Leaders | 0761 | Farm Labor Contractors and Crew Leaders |
| 115116 | Farm Management Services | 0762 | Farm Management Services |
| 221112 | Fossil Fuel Electric Power Generation | 4911 | Electric Services (fossil fuel power generation) |
| 221112 | Fossil Fuel Electric Power Generation | 4931 | Electric and Other Services Combined (fossil fuel power generation) |
| 221112 | Fossil Fuel Electric Power Generation | 4939 | Combination Utilities, NEC (fossil fuel power generation) |
| 235520 | Floor Laying and Other Floor Contractors | 1752 | Floor Laying and Other Floor Work, NEC |
| 311 | Food Manufacturing | | |
| 311210 | Flour Milling and Malt Manufacturing | | |
| 311211 | Flour Milling | 2034 | Dehydrated Fruits, Vegetables and Soup Mixes (vegetable flour) |
| 311211 | Flour Milling | 2041 | Flour and Other Grain Mill Products |
| 311225 | Fats and Oils Refining and Blending | 2046 | Wet Corn Milling (refining purchased oil) |
| 311225 | Fats and Oils Refining and Blending | 2074 | Cottonseed Oil Mills (processing purchased cottonseed oil) |
| 311225 | Fats and Oils Refining and Blending | 2075 | Soybean Oil Mills (processing purchased soybean oil) |
| 311225 | Fats and Oils Refining and Blending | 2076 | Vegetable Oil Mills, Except Corn, Cottonseed, and Soybean (processing purchased vegetable oils) |
| 311225 | Fats and Oils Refining and Blending | 2079 | Shortening, Table Oils, Margarine, and Other Edible Fats and Oils, NEC (processing fats and oils from pur |
| 3114 | Fruit and Vegetable Preserving and Specialty Food Manufacturing | | |
| 311410 | Frozen Food Manufacturing | | |
| 311411 | Frozen Fruit, Juice, and Vegetable Manufacturing | 2037 | Frozen Fruits, Fruit Juices, and Vegetables |
| 311412 | Frozen Specialty Food Manufacturing | 2038 | Frozen Specialties, NEC |
| 311420 | Fruit and Vegetable Canning, Pickling, and Drying | | |
| 311421 | Fruit and Vegetable Canning | 2033 | Canned Fruits, Vegetables, Preserves, Jams, and Jellies |
| 311421 | Fruit and Vegetable Canning | 2035 | Pickled Fruits and Vegetables, Vegetable Sauces, and Seasonings and Salad Dressings (pickled fruits and v |
| 311511 | Fluid Milk Manufacturing | 2026 | Fluid Milk (except ultra-high temperature) |
| 311712 | Fresh and Frozen Seafood Processing | 2077 | Animal and Marine Fats and Oils (fresh and frozen marine fats and oils) |
| 311712 | Fresh and Frozen Seafood Processing | 2092 | Prepared Fresh or Frozen Fish and Seafood |
| 311813 | Frozen Cakes, Pies, and Other Pastries Manufacturing | 2053 | Frozen Bakery Products, Except Bread |
| 311822 | Flour Mixes and Dough Manufacturing from Purchased Flour | 2045 | Prepared Flour Mixes and Doughs |
| 311930 | Flavoring Syrup and Concentrate Manufacturing | 2087 | Flavoring Extracts and Flavoring Syrups (flavoring syrup and concentrate, except coffee) |
| 3131 | Fiber, Yarn, and Thread Mills | | |
| 313110 | Fiber, Yarn, and Thread Mills | | |
| 3132 | Fabric Mills | | |
| 313320 | Fabric Coating Mills | 2295 | Coated Fabrics, Not Rubberized |
| 313320 | Fabric Coating Mills | 3069 | Fabricated Rubber Products, NEC (rubberizing fabric or purchased textile products) |
| 315292 | Fur and Leather Apparel Manufacturing | 2371 | Fur Goods (except contractors) |
| 315292 | Fur and Leather Apparel Manufacturing | 2386 | Leather and Sheep-Lined Clothing (except contractors) |
| 3162 | Footwear Manufacturing | | |
| 316210 | Footwear Manufacturing | | |
| 322212 | Folding Paperboard Box Manufacturing | 2657 | Folding Paperboard Boxes, Including Sanitary |
| 322214 | Fiber Can, Tube, Drum, and Similar Products Manufacturing | 2655 | Fiber Cans, Tubes, Drums, and Similar Products |
| 325310 | Fertilizer Manufacturing | | |
| 325314 | Fertilizer (Mixing Only) Manufacturing | 2875 | Fertilizers, Mixing Only |
| 327211 | Flat Glass Manufacturing | 3211 | Flat Glass |
| 3315 | Foundries | | |
| 331510 | Ferrous Metal Foundries | | |
| 332 | Fabricated Metal Product Manufacturing | | |
| 3321 | Forging and Stamping | | |
| 332110 | Forging and Stamping | | |
| 332312 | Fabricated Structural Metal Manufacturing | 3441 | Fabricated Structural Metal |
| 332312 | Fabricated Structural Metal Manufacturing | 3449 | Miscellaneous Structural Metal Work (fabricated bar joists and concrete reinforcing bars) |
| 332912 | Fluid Power Valve and Hose Fitting Manufacturing | 3492 | Fluid Power Valves and Hose Fittings |
| 332912 | Fluid Power Valve and Hose Fitting Manufacturing | 3728 | Aircraft Parts and Auxiliary Equipment, NEC (fluid power aircraft subassemblies) |
| 332996 | Fabricated Pipe and Pipe Fitting Manufacturing | 3498 | Fabricated Pipe and Pipe Fittings |
| 333111 | Farm Machinery and Equipment Manufacturing | 3523 | Farm Machinery and Equipment (except corrals, stalls, holding gates, hand clippers for animals, and farm |
| 333111 | Farm Machinery and Equipment Manufacturing | 3559 | Industrial and Commercial Machinery and Equipment, NEC (cotton ginning machinery) |
| 333294 | Food Product Machinery Manufacturing | 3556 | Food Products Machinery |
| 333995 | Fluid Power Cylinder and Actuator Manufacturing | 3593 | Fluid Power Cylinders and Actuators |
| 333996 | Fluid Power Pump and Motor Manufacturing | 3594 | Fluid Power Pumps and Motors |
| 335921 | Fiber Optic Cable Manufacturing | 3357 | Drawing and Insulating of Nonferrous Wire (fiber optic cable-insulating only) |
| 337 | Furniture and Related Product Manufacturing | | |
| 339993 | Fastener, Button, Needle, and Pin Manufacturing | 3965 | Fasteners, Buttons, Needles, and Pins |
| 339993 | Fastener, Button, Needle, and Pin Manufacturing | 3131 | Boat and Shoe Cut Stock and Findings (metal buckles) |
| 4212 | Furniture and Home Furnishing Wholesalers | | |
| 421210 | Furniture Wholesalers | 5021 | Furniture (except furniture sold via retail method) |
| 421820 | Farm and Garden Machinery and Equipment Wholesalers | 5083 | Farm and Garden Machinery and Equipment (except lawn and garden equipment sold via retail method) |
| 422340 | Footwear Wholesalers | 5139 | Footwear |
| 422460 | Fish and Seafood Wholesalers | 5146 | Fish and Seafoods |
| 422480 | Fresh Fruit and Vegetable Wholesalers | 5148 | Fresh Fruits and Vegetables |
| 4225 | Farm Product Raw Material Wholesalers | | |
| 422910 | Farm Supplies Wholesalers | 5191 | Farm Supplies (except lawn and garden supplies sold via retail method) |
| 422930 | Flower, Nursery Stock, and Florists' Supplies Wholesalers | 5193 | Flowers, Nursery Stock, and Florists' Supplies (except nursery stock sold via retail method) |
| 442 | Furniture and Home Furnishings Stores | | |
| 4421 | Furniture Stores | | |
| 442110 | Furniture Stores | 5021 | Furniture (Wholesale) (sold via the retail method) |
| 442110 | Furniture Stores | 5712 | Furniture Stores (except custom furniture and cabinets) |
| 442210 | Floor Covering Stores | 5023 | Homefurnishings (Wholesale) (floor covering sold via retail method) |
| 442210 | Floor Covering Stores | 5713 | Floor Coverings Stores |
| 445 | Food and Beverage Stores | | |
| 445220 | Fish and Seafood Markets | 5421 | Meat and Fish (Seafood) Markets, Including Freezer Provisioners (seafood) |
| 445230 | Fruit and Vegetable Markets | 5431 | Fruit and Vegetable Markets |
| 446191 | Food (Health) Supplement Stores | 5499 | Miscellaneous Food Stores (food supplements) |
| 448140 | Family Clothing Stores | 5651 | Family Clothing Stores |
| 4531 | Florists | | |
| 453110 | Florists | 5992 | Florists |
| 454310 | Fuel Dealers | | |
| 4885 | Freight Transportation Arrangement | | |
| 488510 | Freight Transportation Arrangement | 4731 | Arrangement of Transportation of Freight and Cargo (except freight rate auditors and tariff consultants) |
| 493130 | Farm Product Warehousing and Storage | 4221 | Farm Product Warehousing and Storage |
| 52 | Finance and Insurance | | |
| 522320 | Financial Transactions Processing, Reserve, and Clearinghouse Activities | 6099 | Functions Related to Depository Banking, NEC (electronic funds transfer networks and clearinghouse associ |
| 522320 | Financial Transactions Processing, Reserve, and Clearinghouse Activities | 6153 | Short-Term Business Credit Institutions, Except Agricultural (credit card service) |
| 522320 | Financial Transactions Processing, Reserve, and Clearinghouse Activities | 7389 | Business Services, NEC (credit card and validation service) |
| 525 | Funds, Trusts, and Other Financial Vehicles | | |
| 532220 | Formal Wear and Costume Rental | 7299 | Miscellaneous Personal Services, NEC (formal wear and costume rental) |
| 532220 | Formal Wear and Costume Rental | 7819 | Services Allied to Motion Picture Production (wardrobe rental for motion picture film production) |
| 5612 | Facilities Support Services | | |
| 561210 | Facilities Support Services | 8744 | Facilities Support Management Services |
| 611512 | Flight Training | 8249 | Vocational Schools, NEC (aviation schools, excluding flying instruction) |
| 611512 | Flight Training | 8299 | Schools and Educational Services, NEC (flying instruction) |
| 611610 | Fine Arts Schools | 8299 | Schools and Educational Services, NEC (art, drama, and music schools) |
| 611610 | Fine Arts Schools | 7911 | Dance Studios, Schools, and Halls (dance instructors, and professional and other dance schools) |
| 621410 | Family Planning Centers | 8093 | Speciality Outpatient Facilities, NEC (family planning centers) |
| 621410 | Family Planning Centers | 8099 | Health and Allied Services, NEC (childbirth preparation) |
| 621493 | Freestanding Ambulatory Surgical and Emergency Centers | 8011 | Offices and Clinics of Doctors of Medicine (surgical and emergency centers) |
| 713940 | Fitness and Recreational Sports Centers | 7991 | Physical Fitness Facilities |
| 713940 | Fitness and Recreational Sports Centers | 7997 | Membership Sports and Recreation Clubs (recreation clubs with facilities) |
| 713940 | Fitness and Recreational Sports Centers | 7999 | Amusement and Recreation Services, NEC (nonmembership recreation facilities) |
| 722 | Food Services and Drinking Places | | |
| 7221 | Full-Service Restaurants | | |
| 722110 | Full-Service Restaurants | 5812 | Eating Places (full-service restaurants) |
| 722310 | Food Service Contractors | 4789 | Transportation Services, NEC (dining car operations on a fee or contract basis) |
| 722310 | Food Service Contractors | 5812 | Eating Places (food service contractors) |
| 811430 | Footwear and Leather Goods Repair | 7251 | Shoe Repair and Shoeshine Parlors (shoe repair shops) |
| 811430 | Footwear and Leather Goods Repair | 7699 | Repair Shops and Related Services (leather goods repair shops, luggage repair shops, pocketbook repair sh |
| 812210 | Funeral Homes and Funeral Services | 7261 | Funeral Services and Crematories (funeral homes and services) |
| 922160 | Fire Protection | 9224 | Fire Protection |