| NAICS Subject Area | Title |
| 48111 (passenger only) [PDF 41KB] | Scheduled Passenger Air Transportation |
| 48112, 481212, 482, 483, 484, 486, 491, 492 [PDF 237KB] | Transportation of Goods |
| 48121 (passenger only) [PDF 69KB] | Nonscheduled Chartered Passenger Air Transportation |
| 48211 (passenger only) [PDF 57KB] | Rail Transportation (ex. goods transportation) |
| 483 (passenger only) [PDF 72KB] | Water Transportation (ex. goods transportation) |
| 485 [PDF 102KB] | Transit and Ground Passenger Transportation |
| 487 [PDF 101KB] | Scenic and Sightseeing Transportation |
| 4881 [PDF 53KB] | Support Activities for Air Transportation |
| 4882 [PDF 29KB] | Support Activities for Rail Transportation |
| 4883 [PDF 35KB] | Support Activities for Water Transportation |
| 4884 [PDF 40KB] | Support Activities for Road Transportation |
| 4885 [PDF 62KB] | Freight Transportation Arrangement |
| 4889 [PDF 18KB] | Other Support Activities for Transportation |
| 4931 [PDF 45KB] | Warehousing and Storage |
| 51111 [PDF 33KB] | Newspaper Publishers |
| 51112 [PDF 51KB] | Periodical Publishers |
| 51113 [PDF 54KB] | Book Publishers |
| 51114 [PDF 23KB] | Directory and Mailing List Publishers |
| 51119 [PDF 19KB] | Other Publishers |
| 5112, 518, 54151 [PDF 55KB] | Software Publishers, Internet Service Providers, Web Search Portals, and Data Processing Services |
| 51211/2 [PDF 102KB] | Motion Picture and Video Production/Distribution |
| 51213 [PDF 16KB] | Motion Picture and Video Exhibition |
| 51219 [PDF 34KB] | Post Production Services and Other Motion Picture and Video Industries |
| 51221-3 [PDF 48KB] | Record Production, Distribution, and Publishing |
| 51224-9 [PDF 34KB] | Sound and Other Sound Recording Studios |
| 515 and 5175 [PDF 58KB] | Broadcasting (except Internet) and Cable Program Distribution |
| 516 [PDF 31KB] | Internet Publishing and Broadcasting |
| 517 [PDF 44KB] | Telecommunications |
| 519 [PDF 35KB] | Other Information Services |
| 52 [PDF 113KB] | Finance and Insurance |
| 531 [PDF 71KB] | Real Estate |
| 5321 [PDF 22KB] | Real Estate |
| 5322 [PDF 44KB] | Consumer Goods Rental |
| 5324 [PDF 65KB] | Commercial and Industrial Machinery and Equipment Rental and Leasing |
| 533 [PDF 22KB] | Lessors of Nonfinancial Intangible Assets (except Copyrighted Works) |
| 5411 [PDF 36KB] | Legal Services |
| 5412 [PDF 35KB] | Accounting, Tax Preparation, Bookkeeping, and Payroll Services |
| 54131-2 [PDF 111KB] | Architectural and Landscape Architectural Services |
| 54133 [PDF 80KB] | Engineering Services |
| 54194 [PDF 17KB] | Drafting Services |
| 54135 [PDF 18KB] | Building Inspection Services |
| 54136 [PDF 36KB] | Geophysical Surveying and Mapping Services |
| 54137 [PDF 20KB] | Surveying and Mapping (except Geophysical) Services |
| 54138 [PDF 10KB] | Testing Laboratories |
| 54141 [PDF 18KB] | Interior Design Services |
| 54142 [PDF 46KB] | Industrial Design Services |
| 54143 [PDF 19KB] | Graphic Design Services |
| 54149 [PDF 8KB] | Other Specialized Design Services |
| 54161 [PDF 64KB] | Management Consulting Services |
| 54162 [PDF 37KB] | Environmental Consulting Services |
| 54169 [PDF 13KB] | Other Scientific and Technical Consulting Services |
| 5417 [PDF 397KB] | Scientific Research and Development Services |
| 54181 [PDF 12KB] | Advertising Agencies |
| 54182 [PDF 11KB] | Public Relations Agencies |
| 54183 [PDF 8KB] | Media Buying Agencies |
| 54184 [PDF 8KB] | Media Representatives |
| 54185 [PDF 10KB] | Display Advertising |
| 54186 [PDF 12KB] | Direct Mail Advertising |
| 54187 [PDF 9KB] | Advertising Materials Distribution Services |
| 54189 [PDF 8KB] | Other Services Related to Advertising |
| 54191 [PDF 21KB] | Marketing Research and Public Opinion Polling |
| 54192 [PDF 26KB] | Photographic Services |
| 54193 [PDF 49KB] | Translation and Interpretation Services |
| 54194 [PDF 16KB] | Veterinary Services |
| 54199 [PDF 17KB] | All Other Professional, Scientific, and Technical Services |
| 55 (US, Mex) [PDF 10KB] | Management of Companies and Enterprises |
| 5611 [PDF 14KB] | Office Administrative Services |
| 5612 [PDF 59KB] | Facilities Support Services |
| 5613 [PDF 31KB] | Employment Services |
| 5614 [PDF 40KB] | Business Support Services |
| 5615 [PDF 40KB] | Travel Arrangement and Reservation Services |
| 5616 [PDF 27KB] | Investigation and Security Services |
| 5617 [PDF 50KB] | Services to Buildings and Dwellings |
| 5619 [PDF 15KB] | Other Support Services |
| 562 [PDF 72KB] | Waste Management and Remediation Services |
| 61 [PDF 119KB] | Education Services |
| 621 (ex 6212, 6, 9) and 622 (US Only) [PDF 515KB] | Health Care Services of Physicians, Health Care Practitioners (except Dentists) and Hospitals |
| 62121 (US, Mex) [PDF 33KB] | Offices of Dentists |
| 62161 (US, Mex) [PDF 26KB] | Home Health Care Services |
| 62191 [PDF 33KB] | Ambulance Services |
| 62199 [PDF 18KB] | All Other Ambulatory Health Care Services |
| 623 [PDF 44KB] | Nursing and Residential Care Facilities |
| 624 [PDF 39KB] | Social Assistance |
| 711 [PDF 54KB] | Performing Arts, Spectator Sports, and Related Industries |
| 712 [PDF 39KB] | Museums, Historical Sites, and Similar Institutions |
| 7131 [PDF 32KB] | Amusement Parks and Arcades |
| 7132 [PDF 23KB] | Gambling Industries |
| 7139 [PDF 45KB] | Other Amusement and Recreation Industries |
| 721 [PDF 34KB] | Accommodation |
| 722 [PDF 43KB] | Food Services and Drinking Places |
| 8111 [PDF 51KB]k | Automotive Repair and Maintenance |
| 8112 [PDF 30KB] | Electronic and Precision Equipment Repair and Maintenance |
| 8113 [PDF 31KB] | Commercial and Industrial Machinery and Equipment Repair and Maintenance |
| 8114 [PDF 36KB] | Personal Household Goods Repair and Maintenance |
| 8121 [PDF 21KB] | Personal Care Services |
| 8122 [PDF 14KB] | Death Care Services |
| 8123 [PDF 16KB] | Drycleaning and Laundry Services |
| 81291 [PDF 10KB] | Pet Care (except Veterinary) Services |
| 81292 [PDF 13KB] | Photofinishing |
| 81293 [PDF 9KB] | Parking Lots and Garages |
| 81299 [PDF 10KB] | All Other Personal Services |
| 813 [PDF 34KB] | Religious, Grantmaking, Civic, Professional, and Similar Organizations |