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TSIC 50121: Sea and coastal freight water transport

Reference page for TSIC 50121 Sea and coastal freight water transport with Thai tax, wages, standards and operating checkpoints.

2026-05-05Not official

Activities covered by TSIC 50121

Official TSIC PDF extract for Sea and coastal freight water transport. Cross-links are currently generated from division and section heuristics until richer official mappings are connected.

Key checkpoints for this code
50121TSIC code
3Linked tax pages
3Relevant provinces
0Standards and customs checks
Tax ratesOpen the tax pages connected to this activity. ProvincesReview local wage and operating context. StandardsCheck product and regulator checkpoints. Company registryUse registry pages for setup and verification workflow.

Compliance risk score

5 of 6 factors passing

8 / 10

How we calculate this score →

Which jobs usually match TSIC 50121?

This code typically applies to:

3132Incinerator and Water Treatment Plant OperatorsIncinerator and water treatment plant operators monitor and operate computerized control systems and related equipment in solid and liquid waste treatment plants to regulate the treatment and disposal of sewage and wastes, and in water filtration and treatment plants to regulate the treatment and distribution of water.2143Environmental EngineersEnvironmental engineers conduct research, advise on, design and direct implementation of solutions to prevent, control or remedy negative impacts of human activity on the environment utilizing a variety of engineering disciplines. They conduct environmental assessments of construction and civil engineering projects and apply engineering principles to pollution control, recycling and waste disposal.2133Environmental Protection ProfessionalsEnvironmental protection professionals study and assess the effects on the environment of human activity such as air, water and noise pollution, soil contamination, climate change, toxic waste and depletion and degradation of natural resources. They develop plans and solutions to protect, conserve, restore, minimize and prevent further damage to the environment.3112Civil Engineering TechniciansCivil engineering technicians perform technical tasks in civil engineering research and in the design, construction, operation, maintenance and repair of buildings and other structures such as water supply and wastewater treatment systems, bridges, roads, dams and airports.4323Transport ClerksTransport clerks keep records of operational aspects and coordinate the timing of train, road and air passenger and freight transport, and prepare reports for management.8332Heavy Truck and Lorry DriversHeavy-truck and lorry drivers drive and tend heavy motor vehicles to transport goods, liquids and heavy materials over short or long distances.9333Freight HandlersFreight handlers carry out tasks such as packing, carrying, loading and unloading furniture and other household items, or loading and unloading ship and aircraft cargoes and other freight, or carrying and stacking goods in various warehouses.

Additional occupations for TSIC 50121

7126Plumbers and Pipe FittersPlumbers and pipe fitters assemble, install, repair and maintain pipe systems, drains, gutters, ducts and related fittings and fixtures for water, gas, drainage, sewerage, heating cooling and ventilation systems, and for hydraulic and pneumatic equipment.1324Supply, Distribution and Related ManagersSupply, distribution and related managers plan, direct and coordinate passenger transportation systems and facilities and the supply, transportation, storage and distribution of goods, either as the manager of a department or as the general manager of an enterprise or organization that does not have a hierarchy of managers.8322Car, Taxi and Van DriversCar, taxi and van drivers drive and tend motor cars and vans to transport passengers, mail or goods.9621Messengers, Package Deliverers and Luggage PortersMessengers, package deliverers and luggage porters carry and deliver messages, packages and other items on foot, within an establishment or between establishments, to households and elsewhere, or carry luggage, especially at hotels, stations and airports.

Source: ISCO-08 occupation dictionary + TSIC official activity semantics, 2026-05-05

Official activity name and details

  • Official English label: Sea and coastal freight water transport
  • Section: H
  • Data coverage: official-tsic-import
  • Division: 50 - การขนส่งทางน้ำ
  • Group: 501 - Sea and coastal water transport
  • Class: 5012 - Sea and coastal freight water transport

Use the official TSIC label below when the Thai translation is not yet source-backed in this build.

Important checks before registration

  • Ownership route: Use this page as an ownership-routing layer only. Verify FBA, BOI, treaty and shareholder structure together.
  • Permit route: Treat permit notes as a checklist only. The real permit stack depends on the operating model, location and regulator.

TSIC hierarchy position

In this section

TSIC 50121Sea and coastal freight water transportTSIC 50122Sea and coastal freight water transport
Previous code: TSIC 50119Next code: TSIC 50122