331205 - Repair and maintenance of mining, construction, and oil and gas field machinery; metallurgy machinery | NIC-2025 Code
The most specific NIC-2025 activity code for this business activity, within class 3312 (Repair and maintenance of machinery).
What NIC code 331205 covers
NIC Code 331205 of NIC-2025 covers 331205 - Repair and maintenance of mining, construction, and oil and gas field machinery; metallurgy machinery | NIC-2025 Code. It falls under class 3312 (Repair and maintenance of machinery).
Included in class 3312
This class includes the repair and maintenance of industrial and commercial machinery and equipment, e.g. sharpening or installing machinery blades and saws; the provision of welding (e.g. automotive, general) repair services; the repair of agricultural and other heavy and industrial machinery and equipment (e.g. forklifts and other materials handling equipment, machine tools, commercial refrigeration equipment, construction equipment and mining machinery), including machinery and equipment of division 28.
Excluded from class 3312
- repair and maintenance of civilian ship and boat engines, see 3315
- repair and maintenance of civilian aircraft engines, see 3315
- repair and maintenance of engines for military fighting vehicles, ships, boats, air and spacecraft, see 3315
- installation, repair and maintenance of furnaces and other heating equipment, see 4322
- installation, repair and maintenance of elevators and escalators, see 4329
- repair and maintenance of computers, see 9510
- repair and maintenance of engines for motor vehicles, see 9531
How to choose code 331205
A quick check before you use this code in a registration.
- 1Match your main business activity with the activity name: Repair and maintenance of mining, construction, and oil and gas field machinery; metallurgy machinery.
- 2Read what class 3312 includes and confirm your day-to-day work fits this scope.
- 3Check the exclusions. If your activity is listed there, follow the referenced code instead.
- 4If you carry out more than one activity, pick a NIC code for each activity and mark the main one (registrations like Udyam allow multiple codes).
- 5Use the NIC-2025 code in forms that ask for this classification version, and the mapped code where the older or newer version is required.
Where you use NIC code 331205
The same activity code carries across these registrations. IncorpX provides assistance for each one.
GST registration classifies goods and services with HSN and SAC codes rather than NIC codes. Your NIC activity description helps keep the business activity consistent across applications.
Get assistance with GST RegistrationUdyam registration asks for the NIC code of every activity you carry out. You can select multiple NIC codes at 2-digit, 4-digit and 5-digit levels.
Get assistance with MSME (Udyam) RegistrationDPIIT startup recognition records your industry and sector based on the national industrial classification, so the right NIC code keeps your profile accurate.
Get assistance with Startup India (DPIIT)The SPICe+ incorporation form records the main division of industrial activity of the proposed company, which is derived from the NIC classification.
Get assistance with Private Limited CompanyThe FiLLiP incorporation form for LLPs also captures the business activity classification based on NIC codes.
Get assistance with LLP RegistrationOPC incorporation follows the same SPICe+ process, so the NIC-based activity classification applies here as well.
Get assistance with One Person Company (OPC)Trademarks use the NICE classification (Classes 1 to 45), not NIC codes. Your NIC activity helps identify which trademark classes fit your goods or services.
Get assistance with Trademark RegistrationThe NIC-2008 equivalent
When a form uses NIC-2008, map this activity through the concordance at the 4-digit class level.
Concordance published by MoSPI between the 4-digit industry classes of NIC-2008 and this version. Partial mappings mean the activity is split across more than one class.
Related NIC codes
Other activity codes in class 3312.
NIC code 331205, answered
What is NIC code 331205?
NIC code 331205 is the NIC-2025 sub-class for "Repair and maintenance of mining, construction, and oil and gas field machinery; metallurgy machinery". It sits inside class 3312 (Repair and maintenance of machinery), so it is the most specific code you can select for this activity.
Where do I use NIC code 331205?
You quote this code where a registration asks for your business activity, most directly in Udyam (MSME) registration and in the industrial activity captured during company or LLP incorporation. GST uses HSN and SAC codes instead, and the NIC code keeps your activity description consistent across applications.
Can I register more than one NIC code?
Yes. Udyam registration lets you add several NIC codes for the different activities you carry out and mark the main one. If you are unsure which codes apply, IncorpX provides assistance for selecting them correctly.
What is the NIC-2008 equivalent of code 331205?
At the 4-digit class level, NIC-2025 class 3312 corresponds to NIC-2008 class 3312. Use the mapped code where a form asks for the NIC-2008 classification.
This directory reproduces the National Industrial Classification for reference. Titles, notes and codes are sourced from the MoSPI publications; the official gazette remains the authoritative source. IncorpX provides assistance for registrations that use these codes and does not issue the classification itself.
Use code 331205 with confidence
Share what your business does and an IncorpX advisor will confirm this is the right NIC code and provide assistance for the registrations that use it, from Udyam and GST to company incorporation. Free, with no obligation.
