| Agriculture & Forestry | 11 | Farming, forestry, fishing, and related support activities. |
| Mining & Energy | 21–22 | Extraction of natural resources, oil and gas, and utilities such as electricity and water. |
| Construction | 23 | Residential, commercial, and infrastructure construction. |
| Manufacturing | 31–33 | Production and processing of goods across all manufacturing sectors. |
| Wholesale & Retail Trade | 42–45 | Wholesale distributors, stores, and retail operations. |
| Transportation & Logistics | 48–49 | Transportation of goods and passengers, warehousing, and logistics. |
| Information & Media | 51 | Publishing, broadcasting, telecommunications, and data processing. |
| Finance & Insurance | 52 | Banking, investment, and insurance services. |
| Real Estate & Leasing | 53 | Real estate sales, rentals, property management, and leasing services. |
| Professional & Technical Services | 54–55 | Legal, consulting, scientific, design, and management services. |
| Administrative & Support Services | 56 | Employment, facilities, and waste management services. |
| Education | 61 | Schools, universities, and training institutions. |
| Health & Social Services | 62 | Medical, care, and social assistance organizations. |
| Arts, Recreation & Entertainment | 71 | Creative arts, sports, entertainment, and cultural activities. |
| Hospitality & Food | 72 | Accommodation, restaurants, and food services. |
| Other Services | 81 | Repair, maintenance, and personal or nonprofit services. |
| Public Administration | 92 | Government agencies and public programs. |
