北美行业分类系统（2022版）

111 Crop Production 112 Animal Production and Aquaculture 113 Forestry and Logging 114 Fishing, Hunting and Trapping 115 Support Activities for Agriculture and Forestry

211 Oil and Gas Extraction 212 Mining (except Oil and Gas) 213 Support Activities for Mining

221 Utilities

236 Construction of Buildings 237 Heavy and Civil Engineering Construction 238 Specialty Trade Contractors

311 Food Manufacturing 312 Beverage and Tobacco Product Manufacturing 313 Textile Mills 314 Textile Product Mills 315 Apparel Manufacturing 316 Leather and Allied Product Manufacturing 321 Wood Product Manufacturing 322 Paper Manufacturing 323 Printing and Related Support Activities 324 Petroleum and Coal Products Manufacturing 325 Chemical Manufacturing 326 Plastics and Rubber Products Manufacturing 327 Nonmetallic Mineral Product Manufacturing 331 Primary Metal Manufacturing 332 Fabricated Metal Product Manufacturing 333 Machinery Manufacturing 334 Computer and Electronic Product Manufacturing 335 Electrical Equipment, Appliance, and Component Manufacturing 336 Transportation Equipment Manufacturing 337 Furniture and Related Product Manufacturing 339 Miscellaneous Manufacturing

423 Merchant Wholesalers, Durable Goods 424 Merchant Wholesalers, Nondurable Goods 425 Wholesale Trade Agents and Brokers

441 Motor Vehicle and Parts Dealers 444 Building Material and Garden Equipment and Supplies Dealers 445 Food and Beverage Retailers 449 Furniture, Home Furnishings, Electronics, and Appliance Retailers 455 General Merchandise Retailers 456 Health and Personal Care Retailers 457 Gasoline Stations and Fuel Dealers 458 Clothing, Clothing Accessories, Shoe, and Jewelry Retailers 459 Sporting Goods, Hobby, Musical Instrument, Book, and Miscellaneous Retailers

481 Air Transportation 482 Rail Transportation 483 Water Transportation 484 Truck Transportation 485 Transit and Ground Passenger Transportation 486 Pipeline Transportation 487 Scenic and Sightseeing Transportation 488 Support Activities for Transportation 491 Postal Service 492 Couriers and Messengers 493 Warehousing and Storage

512 Motion Picture and Sound Recording Industries 513 Publishing Industries 516 Broadcasting and Content Providers 517 Telecommunications 518 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services 519 Web Search Portals, Libraries, Archives, and Other Information Services

521 Monetary Authorities-Central Bank 522 Credit Intermediation and Related Activities 523 Securities, Commodity Contracts, and Other Financial Investments and Related Activities 524 Insurance Carriers and Related Activities 525 Funds, Trusts, and Other Financial Vehicles

531 Real Estate 532 Rental and Leasing Services 533 Lessors of Nonfinancial Intangible Assets (except Copyrighted Works)

541 Professional, Scientific, and Technical Services

551 Management of Companies and Enterprises

561 Administrative and Support Services 562 Waste Management and Remediation Services

611 Educational Services

621 Ambulatory Health Care Services 622 Hospitals 623 Nursing and Residential Care Facilities 624 Social Assistance

711 Performing Arts, Spectator Sports, and Related Industries 712 Museums, Historical Sites, and Similar Institutions 713 Amusement, Gambling, and Recreation Industries

721 Accommodation 722 Food Services and Drinking Places

811 Repair and Maintenance 812 Personal and Laundry Services 813 Religious, Grantmaking, Civic, Professional, and Similar Organizations 814 Private Households

921 Executive, Legislative, and Other General Government Support 922 Justice, Public Order, and Safety Activities 923 Administration of Human Resource Programs 924 Administration of Environmental Quality Programs 925 Administration of Housing Programs, Urban Planning, and Community Development 926 Administration of Economic Programs 927 Space Research and Technology 928 National Security and International Affairs