| SIC code | SIC Text
| NAICS code | NAICS Text
|
| 0273 | Animal Aquaculture (finfish farms) | 112511 | Finfish Farming and Fish Hatcheries |
| 0273 | Animal Aquaculture (shellfish farms) | 112512 | Shellfish Farming |
| 0273 | Animal Aquaculture (except finfish and shellfish) | 112519 | Other Animal Aquaculture |
| 0279 | Animal Specialties, NEC (alligator and frog production) | 112519 | Other Animal Aquaculture |
| 0279 | Animal Specialties, NEC (apiculture) | 112910 | Apiculture |
| 0279 | Animal Specialties, NEC (except apiculture) | 112990 | All Other Animal Production |
| 0752 | Animal Specialty Services, Except Veterinary (horses and equines services and animal production breeding) | 115210 | Support Activities for Animal Production |
| 1231 | Anthracite Mining | 212113 | Anthracite Mining |
| 2077 | Animal and Marine Fats and Oils (animal fats and oils) | 311613 | Rendering and Meat Byproduct Processing |
| 2077 | Animal and Marine Fats and Oils (canned marine fats and oils) | 311711 | Seafood Canning |
| 2077 | Animal and Marine Fats and Oils (fresh and frozen marine fats and oils) | 311712 | Fresh and Frozen Seafood Processing |
| 2396 | Automotive Trimmings, Apparel Findings, and Related Products (textile products except automotive trimming | 314999 | All Other Miscellaneous Textile Product Mills |
| 2387 | Apparel Belts (men's and boy's contractors) | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| 2389 | Apparel and Accessories, NEC (contractors) | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| 2387 | Apparel Belts (women's, girls', and infants' contractors) | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| 2389 | Apparel and Accessories, NEC (contractors) | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| 2389 | Apparel and Accessories, NEC (garters and garter belts) | 315231 | Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing |
| 2389 | Apparel and Accessories, NEC (academic and clerical outerwear, except contractors) | 315299 | All Other Cut and Sew Apparel Manufacturing |
| 2387 | Apparel Belts (except contractors) | 315999 | Other Apparel Accessories and Other Apparel Manufacturing |
| 2389 | Apparel and Accessories, NEC (handkerchiefs, arm bands, etc.) | 315999 | Other Apparel Accessories and Other Apparel Manufacturing |
| 2396 | Automotive Trimmings, Apparel Findings, and Related Products (apparel findings and trimming) | 315999 | Other Apparel Accessories and Other Apparel Manufacturing |
| 2396 | Automotive Trimmings, Apparel Findings, and Related Products (printing and embossing on fabric articles) | 323113 | Commercial Screen Printing |
| 2951 | Asphalt Paving Mixtures and Blocks | 324121 | Asphalt Paving Mixture and Block Manufacturing |
| 2952 | Asphalt Felts and Coatings | 324122 | Asphalt Shingle and Coating Materials Manufacturing |
| 2812 | Alkalies and Chlorine | 325181 | Alkalies and Chlorine Manufacturing |
| 2891 | Adhesives and Sealants | 325520 | Adhesive Manufacturing |
| 3291 | Abrasive Products (except steel wool with or without soap) | 327910 | Abrasive Product Manufacturing |
| 3292 | Asbestos Products (except brake pads and linings) | 327999 | All Other Miscellaneous Nonmetallic Mineral Product Manufacturing |
| 3353 | Aluminum Sheet, Plate, and Foil | 331315 | Aluminum Sheet, Plate, and Foil Manufacturing |
| 3354 | Aluminum Extruded Products | 331316 | Aluminum Extruded Product Manufacturing |
| 3355 | Aluminum Rolling and Drawing, NEC | 331319 | Other Aluminum Rolling and Drawing |
| 3363 | Aluminum Die-Castings | 331521 | Aluminum Die-Casting Foundries |
| 3365 | Aluminum Foundries | 331524 | Aluminum Foundries (except Die-Casting) |
| 3446 | Architectural and Ornamental Metal Work | 332323 | Ornamental and Architectural Metal Work Manufacturing |
| 3728 | Aircraft Parts and Auxiliary Equipment, NEC (fluid power aircraft subassemblies) | 332912 | Fluid Power Valve and Hose Fitting Manufacturing |
| 3483 | Ammunition, Except for Small Arms | 332993 | Ammunition (except Small Arms) Manufacturing |
| 3291 | Abrasive Products (steel wool with or without soap) | 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing |
| 3581 | Automatic Vending Machines | 333311 | Automatic Vending Machine Manufacturing |
| 3585 | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment (ex | 333415 | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Man |
| 3563 | Air and Gas Compressors | 333912 | Air and Gas Compressor Manufacturing |
| 3822 | Automatic Controls for Regulating Residential and Commercial Environments and Appliances | 334512 | Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use |
| 7694 | Armature Rewinding Shops (remanufacturing) | 335312 | Motor and Generator Manufacturing |
| 3292 | Asbestos Products (asbestos brake linings and pads) | 336340 | Motor Vehicle Brake System Manufacturing |
| 2396 | Automotive Trimmings, Apparel Findings, and Related Products (textile motor vehicle trimming) | 336360 | Motor Vehicle Seating and Interior Trim Manufacturing |
| 3465 | Automotive Stampings | 336370 | Motor Vehicle Metal Stamping |
| 3585 | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment (mo | 336391 | Motor Vehicle Air-Conditioning Manufacturing |
| 3721 | Aircraft (except research and development) | 336411 | Aircraft Manufacturing |
| 3728 | Aircraft Parts and Auxiliary Equipment, NEC (target drones) | 336411 | Aircraft Manufacturing |
| 3724 | Aircraft Engines and Engine Parts (except research and development) | 336412 | Aircraft Engine and Engine Parts Manufacturing |
| 5012 | Automobiles and Other Motor Vehicles | 421110 | Automobile and Other Motor Vehicle Wholesalers |
| 5599 | Automotive Dealers, NEC | 441229 | All Other Motor Vehicle Dealers |
| 5531 | Auto and Home Supply Stores (auto supply stores) | 441310 | Automotive Parts and Accessories Stores |
| 5531 | Auto and Home Supply Stores (tires and tubes) | 441320 | Tire Dealers |
| 5531 | Auto and Home Supply Stores (other auto and home supply stores) | 452990 | All Other General Merchandise Stores |
| 5962 | Automatic Merchandise Machine Operators | 454210 | Vending Machine Operators |
| 4512 | Air Transportation, Scheduled (passenger) | 481111 | Scheduled Passenger Air Transportation |
| 4512 | Air Transportation, Scheduled (freight) | 481112 | Scheduled Freight Air Transportation |
| 4522 | Air Transportation, Nonscheduled (passenger) | 481211 | Nonscheduled Chartered Passenger Air Transportation |
| 4522 | Air Transportation, Nonscheduled (freight) | 481212 | Nonscheduled Chartered Freight Air Transportation |
| 7999 | Amusement and Recreation Services, NEC (scenic transport operations, land) | 487110 | Scenic and Sightseeing Transportation, Land |
| 7999 | Amusement and Recreation Services, NEC (charter fishing) | 487210 | Scenic and Sightseeing Transportation, Water |
| 4522 | Air Transportation, Nonscheduled (sightseeing planes) | 487990 | Scenic and Sightseeing Transportation, Other |
| 7999 | Amusement and Recreation Services, NEC (aerial tramways, scenic and amusement) | 487990 | Scenic and Sightseeing Transportation, Other |
| 4581 | Airports, Flying Fields, and Airport Terminal Services (private air traffic control) | 488111 | Air Traffic Control |
| 4581 | Airports, Flying Fields, and Airport Terminal Services (airfreight handling at airports, hangar operation | 488119 | Other Airport Operations |
| 4581 | Airports, Flying Fields, and Airport Terminal Services (aircraft servicing and repairing) | 488190 | Other Support Activities for Air Transportation |
| 7549 | Automotive Services, Except Repair and Carwashes (towing) | 488410 | Motor Vehicle Towing |
| 4731 | Arrangement of Transportation of Freight and Cargo (except freight rate auditors and tariff consultants) | 488510 | Freight Transportation Arrangement |
| 4729 | Arrangement of Passenger Transportation, NEC (arrangement of carpools and vanpools) | 488999 | All Other Support Activities for Transportation |
| 4513 | Air Courier Services | 492110 | Couriers |
| 6321 | Accident and Health Insurance (disability insurers-direct) | 524113 | Direct Life Insurance Carriers |
| 6321 | Accident and Health Insurance (health and medical insurers-direct) | 524114 | Direct Health and Medical Insurance Carriers |
| 6321 | Accident and Health Insurance (reinsurers) | 524130 | Reinsurance Carriers |
| 6321 | Accident and Health Insurance (self insurers) | 525190 | Other Insurance Funds |
| 7999 | Amusement and Recreation Services, NEC (canoe, pleasure boats, bicycles, motorcycles, moped, go carts, et | 532292 | Recreational Goods Rental |
| 8721 | Accounting, Auditing, and Bookkeeping Services (auditing accountants) | 541211 | Offices of Certified Public Accountants |
| 8721 | Accounting, Auditing, and Bookkeeping Services (payroll services) | 541214 | Payroll Services |
| 8721 | Accounting, Auditing, and Bookkeeping Services (other accounting services) | 541219 | Other Accounting Services |
| 8712 | Architectural Services | 541310 | Architectural Services |
| 4731 | Arrangement of Transportation of Freight and Cargo (freight rate-auditors and tariff consulting) | 541614 | Process, Physical Distribution, and Logistics Consulting Services |
| 3721 | Aircraft (research and development) | 541710 | Research and Development in the Physical, Engineering, and Life Sciences |
| 3724 | Aircraft Engines and Engine Parts (research and development) | 541710 | Research and Development in the Physical, Engineering, and Life Sciences |
| 3728 | Aircraft Parts and Auxiliary Equipment, NEC (research and development) | 541710 | Research and Development in the Physical, Engineering, and Life Sciences |
| 7311 | Advertising Agencies | 541810 | Advertising Agencies |
| 7319 | Advertising, NEC (media buying services) | 541830 | Media Buying Agencies |
| 7319 | Advertising, NEC (display advertising, except outdoor) | 541850 | Display Advertising |
| 7319 | Advertising, NEC (advertising materials distributor) | 541870 | Advertising Material Distribution Services |
| 7319 | Advertising, NEC (except media buying, display advertising, except outdoor; and advertising material dist | 541890 | Other Services Related to Advertising |
| 7322 | Adjustment and Collection Services | 561440 | Collection Agencies |
| 4729 | Arrangement of Passenger Transportation, NEC (except arrangement of vanpools and carpools) | 561599 | All Other Travel Arrangement and Reservation Services |
| 7999 | Amusement and Recreation Services, NEC (ticket agencies) | 561599 | All Other Travel Arrangement and Reservation Services |
| 4581 | Airports, Flying Fields, and Airport Terminal Services (airplane cleaning and janitorial services) | 561720 | Janitorial Services |
| 7999 | Amusement and Recreation Services, NEC (baseball, basketball, bowling, gymnastic, judo, karate, parachute | 611620 | Sports and Recreation Instruction |
| 7999 | Amusement and Recreation Services, NEC (nonathletic recreational instruction) | 611699 | All Other Miscellaneous Schools and Instruction |
| 4522 | Air Transportation, Nonscheduled (air ambulance) | 621910 | Ambulance Services |
| 7999 | Amusement and Recreation Services, NEC (circus companies and traveling carnival shows) | 711190 | Other Performing Arts Companies |
| 7999 | Amusement and Recreation Services, NEC (professional athletes) | 711219 | Other Spectator Sports |
| 7999 | Amusement and Recreation Services, NEC (state fairs, agriculture fairs and county fairs with facilities) | 711310 | Promoters of Performing Arts, Sports, and Similar Events with Facilities |
| 7999 | Amusement and Recreation Services, NEC (state fairs, agriculture fairs and county fairs without facilitie | 711320 | Promoters of Performing Arts, Sports, and Similar Events without Facilities |
| 8422 | Arboreta and Botanical or Zoological Gardens (except nature parks and reserves) | 712130 | Zoos and Botanical Gardens |
| 7999 | Amusement and Recreation Services, NEC (caverns and miscellaneous commercial parks) | 712190 | Nature Parks and Other Similar Institutions |
| 8422 | Arboreta and Botanical or Zoological Gardens (nature parks and reserves) | 712190 | Nature Parks and Other Similar Institutions |
| 7996 | Amusement Parks | 713110 | Amusement and Theme Parks |
| 7999 | Amusement and Recreation Services, NEC (casinos, except hotel casinos) | 713210 | Casinos (except Casino Hotels) |
| 7999 | Amusement and Recreation Services, NEC (lottery, bingo, bookie, and other gambling operations) | 713290 | Other Gambling Industries |
| 7999 | Amusement and Recreation Services, NEC (skiing facilities) | 713920 | Skiing Facilities |
| 7999 | Amusement and Recreation Services, NEC (nonmembership recreation facilities) | 713940 | Fitness and Recreational Sports Centers |
| 7993 | Amusement and Recreation Services, NEC (except amusement arcades and slot machine operators) | 713990 | All Other Amusement and Recreation Industries |
| 7999 | Amusement and Recreation Services, NEC (except circuses, professional athletes, caverns and other commerc | 713990 | All Other Amusement and Recreation Industries |
| 7533 | Automotive Exhaust System Repair Shops | 811112 | Automotive Exhaust System Repair |
| 7537 | Automotive Transmission Repair Shops | 811113 | Automotive Transmission Repair |
| 7539 | Automotive Repair Shops, NEC | 811118 | Other Automotive Mechanical and Electrical Repair and Maintenance |
| 7536 | Automotive Glass Replacement Shops | 811122 | Automotive Glass Replacement Shops |
| 7549 | Automotive Services, Except Repair and Carwashes (automotive window tinting) | 811122 | Automotive Glass Replacement Shops |
| 7549 | Automotive Services, Except Repair and Carwashes (lubricating service, automotive) | 811191 | Automotive Oil Change and Lubrication Shops |
| 7549 | Automotive Services, Except Repair and Carwashes (except automotive window tinting, lubricating, and towi | 811198 | All Other Automotive Repair and Maintenance |
| 7694 | Armature Rewinding Shops (repair) | 811310 | Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenan |
| 0752 | Animal Speciality Services, Except Veterinary (pet care services, except veterinary) | 812910 | Pet Care (except Veterinary) Services |
| 7521 | Automobile Parking | 812930 | Parking Lots and Garages |
| 9411 | Administration of Educational Programs | 923110 | Administration of Education Programs |
| 9431 | Administration of Public Health Programs | 923120 | Administration of Public Health Programs |
| 9441 | Administration of Social, Human Resource and Income Maintenance Programs | 923130 | Administration of Human Resource Programs (except Education, Public Health, and Veterans' Affairs Program |
| 9451 | Administration of Veterans' Affairs, Except Health and Insurance | 923140 | Administration of Veterans' Affairs |
| 9511 | Air and Water Resource and Solid Waste Management | 924110 | Administration of Air and Water Resource and Solid Waste Management Programs |
| 9531 | Administration of Housing Programs | 925110 | Administration of Housing Programs |
| 9532 | Administration of Urban Planning and Community and Rural Development | 925120 | Administration of Urban Planning and Community and Rural Development |
| 9611 | Administration of General Economic Programs | 926110 | Administration of General Economic Programs |