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Business Services
- Professional services
- Computer and related services
- Research and development services
- Real estate services
- Rental/leasing services without operators
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Other business services
- Advertising services
- Market research and public opinion polling services
- Management consulting and related services
- Technical testing, analysis, consulting, and related engineering services
- Services incidental to agriculture, hunting, fishing, forestry, and mining
- Services incidental to manufacturing
- Services incidental to energy distribution
- Placement and supply services of Personnel
- Investigation and security
- Maintenance and repair of equipment (not including transport equipment)
- Printing, publishing
- Other business services n.e.c.
- Communication Services
- Construction and Related Engineering Services
- Distribution services
- Educational Services
- Environmental Services
- Financial Services
- Health-Related and Social Services
- Tourism and Travel-Related Services
- Recreational, Cultural and Sporting Services
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Transport Services
- Maritime transport services
- Internal waterways transport
- Air transport services
- Space transport
- Rail transport services
- Road transport services
- Pipeline transport
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Services auxiliary to all modes of transport
- Cargo-handling services
- Storage and warehouse services
- Freight transport agency services
- Rental of vessels, aircraft, land vehicles and other transport equipment with operator
- Maintenance and repair of transport equipment
- Supporting services to water, land, or air transport (including pushing and towing)
- Other Services auxiliary to all modes of transport
- Other Services Not Included Elsewhere