Philippine Standard Time:
Subclasses under Class 4220
| Subclass Description | Subclass Code |
|---|---|
| Construction of telecommunication lines and pipelines |
42201 |
| Water main and line construction |
42202 |
| Construction of gas and energy pipelines |
42203 |
| Construction of electric power lines |
42204 |
| Other construction of utility projects, n.e.c. |
42209 |
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Other Classification Systems
- 2017 Philippine Standard Classification of Education (PSCED)
- 2002 Philippine Central Product Classification (PCPC)
- Philippine Standard Geographic Code (PSGC)
- 2019 Updates to the 2009 Philippine Standard Industrial Classification (PSIC)
- 2012 Philippine Standard Occupational Classification (PSOC)
- 2018 Philippine Standard Classification of Crime for Statistical Purposes (PSCCS)