NIC 432902 - Installation, repair and maintenance of thermal, sound or vibration insulation
NIC 432902 classifies installation, repair and maintenance of thermal, sound or vibration insulation as a final six-digit business activity under Section F and Division 43. Use it when this activity is the main source...
Source Verification for 432902
4 of 4 factors passing
- Verified in official source - Found in NIC_2025.xlsx official MoSPI release dataset.
- International crosswalk available - No official ISIC/NACE/CPC/ISCO correspondence table is bundled in this build input set.
- Migration from previous edition - Legacy migration candidates present from NIC 2008: 2.
- Complete hierarchy chain - All parent levels exist: Section > Division > Group > Class > Sub-class (5 levels).
- Official size/threshold documented - No official code-level size or threshold dataset is included in this source bundle.
- Trade or export crosswalk match - No official NIC-to-HS/export correspondence table is bundled in this source bundle.
- Legacy national crosswalk - Legacy link exists via NIC 2008 converter layer (2 linked legacy codes).
NIC 2008 -> NIC 2025 Mapping for 432902
NIC 2008 links are discovery matches from the local converter layer. Verify final migration decisions against official source documents.
What Installation Means Under NIC 2025
NIC 432902 is the final six-digit endpoint for Installation, repair and maintenance of thermal, sound or vibration insulation. It should be selected only when the enterprise's primary business activity matches this title more closely than 432901 Installation, repair and maintenance of elevators, escalators, 432903 Installation, repair and maintenance of automated and revolving doors, 432999 Other construction installation, repair and maintenance activities n.e.c..
When to Choose 432902 Over Nearby Codes
Choose 432902 only when operations, invoices and revenue narrative align with Installation, repair and maintenance of thermal, sound or vibration insulation. If the activity also includes 432901 Installation, repair and maintenance of elevators, escalators, 432903 Installation, repair and maintenance of automated and revolving doors, 432999 Other construction installation, repair and maintenance activities n.e.c., compare those pages before filing.
In this section
Common Questions About NIC 432902
Does NIC 432902 cover a full construction project or a specialized trade?
Use building or civil engineering codes for whole-project construction. Use specialized construction codes when the firm mainly performs electrical, plumbing, HVAC, demolition, roofing, finishing or similar trade work.
Can a contractor use NIC 432902 if work is subcontracted?
Use the code that reflects the contractor's own contracted responsibility. A project developer, civil contractor and specialist installer can fall under different NIC codes even on the same site.
How do I verify that NIC 432902 is correct before filing?
Check the parent hierarchy, compare 432901 Installation, repair and maintenance of elevators, escalators, 432903 Installation, repair and maintenance of automated and revolving doors, 432999 Other construction installation, repair and maintenance activities n.e.c., and confirm that the official title matches the main revenue activity. For regulated or filing-critical decisions, verify the source row in the MoSPI dataset.
What happens if I use the wrong NIC code in Udyam or MCA registration?
A wrong code can cause mismatched business descriptions, follow-up questions or later compliance cleanup. It is better to compare nearby codes before filing than to correct a weak classification later.
Is there a legacy NIC 2008 equivalent for NIC 432902?
Use the legacy converter only as a migration aid. Old NIC 2008 matches can suggest where to look, but NIC 2025 should remain the primary reference for new code selection.
Before you select NIC 432902
NIC 432902 should be selected only when the official title matches the main revenue-generating activity. If the business also trades, transports, processes, installs or supports the same product or service, compare nearby NIC pages before filing. This reduces the risk of choosing a code that describes the product being handled rather than the activity your enterprise actually performs.
Data Source and Verification Date
Source layer
Official NIC 2025 Excel and PDF from MoSPI.
Last verified
2026-04-21 from the generated NIC 2025 source layer used in this build.
Disclaimer
This is an independent reference tool. Verify filing-critical decisions in official sources.