Key Facts
429001 at a Glance
Code 429001
Official title Construction of industrial plants including refineries
Version NIC 2025
Source authority MoSPI
Section F - Construction
Division 42 - Civil engineering
Cn
NIC 2025 MoSPI source NIC 429001 - Construction of industrial plants including refineries
NIC 429001 classifies construction of industrial plants including refineries as a final six-digit construction activity under Section F and Division 42. Use it when this activity is the main source of revenue.
Source Verification for 429001
10 / 10
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: 4.
- 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 (4 linked legacy codes).
NIC 2008 -> NIC 2025 Mapping for 429001
NIC 2008 links are discovery matches from the local converter layer. Verify final migration decisions against official source documents.
NIC 2008 42901 medium
Construction and maintenance of industrial facilities such as refineries chemical plants etc.
Practical Summary
What Construction of industrial plants including refineries Means Under NIC 2025
NIC 429001 is the final six-digit endpoint for Construction of industrial plants including refineries. It should be selected only when the enterprise's primary construction activity matches this title more closely than 429002 Construction of waterways, harbours, and river works, marinas (including dredging of waterways), 429003 Construction of dams and dykes and hydromechanical structures (e.g., locks, lifts, sluices, slipways), 429004 Construction of outdoor sports facilities, playgrounds, amusement parks and theme parks.
How To Choose
When to Choose 429001 Over Nearby Codes
Choose 429001 only when operations, invoices and revenue narrative align with Construction of industrial plants including refineries. If the activity also includes 429002 Construction of waterways, harbours, and river works, marinas (including dredging of waterways), 429003 Construction of dams and dykes and hydromechanical structures (e.g., locks, lifts, sluices, slipways), 429004 Construction of outdoor sports facilities, playgrounds, amusement parks and theme parks, compare those pages before filing.
In this section
429001
429002 Construction of industrial plants including refineries
Construction of waterways, harbours, and river works, marinas (including dredging of waterways)
429003 Construction of dams and dykes and hydromechanical structures (e.g., locks, lifts, sluices, slipways)
429004 Construction of outdoor sports facilities, playgrounds, amusement parks and theme parks
429005 Construction of grain storage systems
429006 Construction of mining facilities (e.g., shafts, towers, tunnels)
429099 Other construction of other civil engineering projects n.e.c.
Common Questions About NIC 429001
Does NIC 429001 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 429001 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 429001 is correct before filing?
Check the parent hierarchy, compare 429002 Construction of waterways, harbours, and river works, marinas (including dredging of waterways), 429003 Construction of dams and dykes and hydromechanical structures (e.g., locks, lifts, sluices, slipways), 429004 Construction of outdoor sports facilities, playgrounds, amusement parks and theme parks, 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 429001?
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.
NIC 2026 guidance
Before you select NIC 429001
NIC 429001 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.