The MSME registration asks for the business activity by NIC code. For repair and maintenance of pipes and pipelines, that activity is 33112.
NIC code · National Industrial Classification 2008
33112 is the 5-digit NIC 2008 code for repair and maintenance of pipes and pipelines: a sub-class of class 3311, repair of fabricated metal products, within division 33, repair and installation of machinery and equipment. Search a code or activity below, or copy the code for your Udyam or SPICe+ form.
This code
Division 33Group 331Class 3311Sub-class 33112
Repair and maintenance of pipes and pipelines
Sub-class 33112 · Class 3311 · Group 331 · Division 33 · Section C, NIC 2008
The code
Where the code sits in the National Industrial Classification 2008, from section to sub-class, in the official wording.
331125 digits: 33 + 1 + 1 + 2NIC 2025 · Notice dated 16 October 2026
On 18 November 2025 the Ministry of Statistics and Programme Implementation released NIC 2025, which uses 6-digit codes aligned with the UN's ISIC Revision 5. This page shows the NIC 2008 code 33112. The matching NIC 2025 code will be added here once it is mapped from MoSPI's official concordance.
How to read it
An NIC code is built in layers. Each digit narrows the one before it: the division, the group, the class, and finally the 5-digit sub-class. Divisions themselves are grouped under lettered sections.
The broadest numbered layer. Division 33 covers repair and installation of machinery and equipment. It sits in section C, manufacturing.
Repair of fabricated metal products, machinery and equipment.
Repair of fabricated metal products. The official note for this class is quoted below.
Repair and maintenance of pipes and pipelines. The full 5-digit code you enter where a form asks for the business activity by NIC code.
What it covers
33112 is a sub-class of class 3311, repair of fabricated metal products. The NIC 2008 document explains the class in the note below, quoted exactly.
This class includes repair and maintenance of fabricated metal products of division 25
This class excludes:
- - repair of central heating systems etc., see 4322
- - locksmith services, see 8020
Where you use it
Two registration forms ask for the business activity by NIC code. This is where 33112 is entered.
The MSME registration asks for the business activity by NIC code. For repair and maintenance of pipes and pipelines, that activity is 33112.
The company incorporation form asks for the main industrial activity of the proposed company by NIC code.
Not GST. GST registration does not use NIC codes; goods and services there are classified by HSN and SAC codes.
Choosing the right code
33112 is for repair and maintenance of pipes and pipelines. The codes below sit closest to it in NIC 2008: the other sub-classes of class 3311. Each has its own page with the official wording.
33113Class 3311 · another sub-class of the same class33114Class 3311 · another sub-class of the same class33119Class 3311 · another sub-class of the same class33111Class 3311 · another sub-class of the same classClass 3311 has 5 sub-classes in NIC 2008, including 33112.
Questions
Repair and maintenance of pipes and pipelines, in the National Industrial Classification 2008. It is a sub-class of class 3311, repair of fabricated metal products.
Class 3311, repair of fabricated metal products, has 5 sub-classes in NIC 2008. Besides 33112, they are: 33113 (Repair and maintenance of metal tanks, reservoirs, containers, steel shipping drums etc.); 33114 (Repair and maintenance of steam or other vapour generators and auxiliary plant for use with steam generators such as condensers, economizers, superheaters, steam collectors and accumulators); 33119 (Repair and maintenance of other fabricated metal products); 33111 (Repair and maintenance of structural products).
In Udyam Registration, which asks for the business activity by NIC code, and in the SPICe+ company incorporation form, which asks for the main industrial activity by NIC code. GST registration does not use NIC codes.
About this page
The section, division, group, class and sub-class on this page, and the explanatory note for class 3311, are taken word for word from the official document “National Industrial Classification (All Economic Activities) 2008”, Central Statistical Organisation, Ministry of Statistics and Programme Implementation, Government of India.
This is reference information on the classification of a business activity. It is not advice on which code your own business should declare, and the official NIC document prevails if the two ever differ. A change in the classification, including the MoSPI concordance to NIC 2025, re-opens this page for checking.
Not sure which code fits your activity, or spotted a mismatch? Use the WhatsApp button on this page and tell us what the business sells and how.