Instructions for Form 5500-EZ (2020)
Forms 5500, 5500-SF, and
5500-EZ Codes for Principal
Business Activity
This list of principal business activities and their associated codes
is designed to classify an enterprise by the type of activity in which
it is engaged.
These principal activity codes are based on the North American
Industry Classification System.
CODE
Agriculture, Forestry, Fishing
and Hunting
Crop Production
111100 Oilseed & Grain Farming
111210 Vegetable & Melon Farming
(including potatoes & yams)
111300 Fruit & Tree Nut Farming
111400 Greenhouse, Nursery, &
Floriculture Production
111900 Other Crop Farming (including
tobacco, cotton, sugarcane,
hay, peanut, sugar beet, & all
other crop farming)
Animal Production
112111 Beef Cattle Ranching & Farming
112112 Cattle Feedlots
112120 Dairy Cattle & Milk Production
112210 Hog & Pig Farming
112300 Poultry & Egg Production
112400 Sheep & Goat Farming
112510 Aquaculture (including shellfish
& finfish farms & hatcheries)
112900 Other Animal Production
Forestry and Logging
113110 Timber Tract Operations
113210 Forest Nurseries & Gathering
of Forest Products
113310 Logging
Fishing, Hunting and Trapping
114110 Fishing
114210 Hunting & Trapping
Support Activities for Agriculture
and Forestry
115110 Support Activities for Crop
Production (including cotton
ginning, soil preparation,
planting, & cultivating)
115210 Support Activities for Animal
Production
115310 Support Activities for Forestry
CODE
Mining
211120 Crude Petroleum Extraction
211130 Natural Gas Extraction
212110 Coal Mining
212200 Metal Ore Mining
212310 Stone Mining & Quarrying
212320 Sand, Gravel, Clay, & Ceramic
& Refractory Minerals Mining, &
Quarrying
212390 Other Nonmetallic Mineral
Mining & Quarrying
213110 Support Activities for Mining
CODE
Utilities
221100 Electric Power Generation,
Transmission & Distribution
221210 Natural Gas Distribution
221300 Water, Sewage & Other Systems
221500 Combination Gas & Electric
CODE
Construction
Construction of Buildings
236110 Residential Building
Construction
236200 Nonresidential Building
Construction
Heavy and Civil Engineering Construction
237100 Utility System Construction
237210 Land Subdivision
237310 Highway, Street, & Bridge
Construction
237990 Other Heavy & Civil Engineering
Construction
CODE
Specialty Trade Contractors
238100 Foundation, Structure, & Building
Exterior Contractors (including
framing carpentry, masonry,
glass, roofing, & siding)
238210 Electrical Contractors
238220 Plumbing, Heating, &
Air-Conditioning Contractors
238290 Other Building Equipment
Contractors
238300 Building Finishing Contractors
(including drywall, insulation,
painting, wallcovering, flooring,
tile, & finish carpentry)
238900 Other Specialty Trade
Contractors (including site
preparation)
CODE
Manufacturing Food
Manufacturing
311110 Animal Food Mfg
311200 Grain & Oilseed Milling
311300 Sugar & Confectionary
Product Mfg
311400 Fruit & Vegetable Preserving &
Specialty Food Mfg
311500 Dairy Product Mfg
311610 Animal Slaughtering and
Processing
311710 Seafood Product Preparation
& Packaging
311800 Bakeries, Tortilla & Dry Pasta Mfg
311900 Other Food Mfg (including coffee,
tea, flavorings & seasonings)
Beverage and Tobacco Product
Manufacturing
312110 Soft Drink & Ice Mfg
312120 Breweries
312130 Wineries
312140 Distilleries
312200 Tobacco Manufacturing
Textile Mills and Textile Product Mills
313000 Textile Mills
314000 Textile Product Mills
Apparel Manufacturing
315100 Apparel Knitting Mills
315210 Cut & Sew Apparel Contractors
315220 Men’s & Boys’ Cut & Sew
Apparel Mfg.
315240 Women’s, Girls’ and Infants’ Cut
& Sew Apparel Mfg.
315280 Other Cut & Sew Apparel Mfg
315990 Apparel Accessories & Other
Apparel Mfg
Leather and Allied Product Manufacturing
316110 Leather & Hide Tanning, &
Finishing
316210 Footwear Mfg (including
rubber & plastics)
316990 Other Leather & Allied
Product Mfg
Wood Product Manufacturing
321110 Sawmills & Wood Preservation
321210 Veneer, Plywood, & Engineered
Wood Product Mfg
321900 Other Wood Product Mfg
Paper Manufacturing
322100 Pulp, Paper, & Paperboard Mills
322200 Converted Paper Product Mfg
Printing and Related Support Activities
323100 Printing & Related Support
Activities
CODE
Petroleum and Coal Products
Manufacturing
324110 Petroleum Refineries (including
integrated)
324120 Asphalt Paving, Roofing, &
Saturated Materials Mfg
324190 Other Petroleum & Coal
Products Mfg
Chemical Manufacturing
325100 Basic Chemical Mfg
325200 Resin, Synthetic Rubber, &
Artificial & Synthetic Fibers &
Filaments Mfg
325300 Pesticide, Fertilizer, & Other
Agricultural Chemical Mfg
325410 Pharmaceutical & Medicine Mfg
325500 Paint, Coating, & Adhesive Mfg
325600 Soap, Cleaning Compound, &
Toilet Preparation Mfg
325900 Other Chemical Product &
Preparation Mfg
Plastics and Rubber Products
Manufacturing
326100 Plastics Product Mfg
326200 Rubber Product Mfg
Nonmetallic Mineral Product
Manufacturing
327100 Clay Product & Refractory Mfg
327210 Glass & Glass Product Mfg
327300 Cement & Concrete Product Mfg
327400 Lime & Gypsum Product Mfg
327900 Other Nonmetallic Mineral
Product Mfg
Primary Metal Manufacturing
331110 Iron & Steel Mills & Ferroalloy
Mfg
331200 Steel Product Mfg from
Purchased Steel
331310 Alumina & Aluminum Production
& Processing
331400 Nonferrous Metal (except
Aluminum) Production &
Processing
331500 Foundries
Fabricated Metal Product Manufacturing
332110 Forging & Stamping
332210 Cutlery & Handtool Mfg
332300 Architectural & Structural
Metals Mfg
332400 Boiler, Tank, & Shipping
Container Mfg
332510 Hardware Mfg
332610 Spring & Wire Product Mfg
332700 Machine Shops; Turned
Product; & Screw, Nut, & Bolt
Mfg
332810 Coating, Engraving, Heat
Treating, & Allied Activities
332900 Other Fabricated Metal
Product Mfg
Machinery Manufacturing
333100 Agriculture, Construction, &
Mining Machinery Mfg
333200 Industrial Machinery Mfg
333310 Commercial & Service Industry
Machinery Mfg
333410 Ventilation, Heating, Air-
Conditioning, & Commercial
Refrigeration Equipment Mfg
333510 Metalworking Machinery Mfg
333610 Engine, Turbine & Power
Transmission Equipment Mfg
333900 Other General Purpose
Machinery Mfg
CODE
Computer and Electronic Product
Manufacturing
334110 Computer & Peripheral
Equipment Mfg
334200 Communications Equipment Mfg
334310 Audio & Video Equipment Mfg
334410 Semiconductor & Other
Electronic Component Mfg
334500 Navigational, Measuring,
Electromedical, & Control
Instruments Mfg
334610 Manufacturing & Reproducing
Magnetic & Optical Media
Electrical Equipment, Appliance, and
Component Manufacturing
335100 Electric Lighting Equipment Mfg
335200 Major Household Appliance Mfg
335310 Electrical Equipment Mfg
335900 Other Electrical Equipment &
Component Mfg
Transportation Equipment Manufacturing
336100 Motor Vehicle Mfg
336210 Motor Vehicle Body & Trailer Mfg
336300 Motor Vehicle Parts Mfg
336410 Aerospace Product & Parts Mfg
336510 Railroad Rolling Stock Mfg
336610 Ship & Boat Building
336990 Other Transportation Equipment
Mfg
Furniture and Related Product
Manufacturing
337000 Furniture & Related Product
Manufacturing
Miscellaneous Manufacturing
339110 Medical Equipment & Supplies Mfg
339900 Other Miscellaneous Mfg
Wholesale Trade
Merchant Wholesalers, Durable Goods
423100 Motor Vehicle, & Motor Vehicle
Parts & Supplies
423200 Furniture & Home Furnishings
423300 Lumber & Other Construction
Materials
423400 Professional & Commercial
Equipment & Supplies
423500 Metal & Mineral (except
petroleum)
423600 Household Appliances and
Electrical & Electronic Goods
423700 Hardware, Plumbing, & Heating
Equipment & Supplies
423800 Machinery, Equipment, &
Supplies
423910 Sporting & Recreational Goods &
Supplies
423920 Toy, & Hobby Goods, & Supplies
423930 Recyclable Materials
423940 Jewelry, Watch, Precious Stone,
& Precious Metals
423990 Other Miscellaneous Durable
Goods
Merchant Wholesalers, Nondurable
Goods
424100 Paper & Paper Products
424210 Drugs & Druggists’ Sundries
424300 Apparel, Piece Goods, & Notions
424400 Grocery & Related Products
424500 Farm Product Raw Materials
424600 Chemical & Allied Products
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