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Mf Section C Manufacturing
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Class 2611 - Manufacture of electronic valves and tubes

PSIC Class 2611 covers Manufacture of electronic valves and tubes. Current child subclasses include Manufacture of Electronic Valves and Tubes. This four-digit layer is useful when comparing neighboring activities...

Level Class
Hierarchy depth 4/5
Children 1
Last verified 2026-05-12
About this level

Practical summary

Class 2611 sits in the PSIC 2019 hierarchy under C Manufacturing > 26 Manufacture of Computer, Electronic and Optical Products > 261 Manufacture of electronic components. This class usually fans out into more specific subclasses such as Manufacture of Electronic Valves and Tubes. It is the level people use when they already know the activity family but still need the exact five-digit match.

Administrative context

Where this code is used

This class is used when a business can already narrow the activity family and only needs to compare the final subclasses such as Manufacture of Electronic Valves and Tubes. It is the level most often checked before a five-digit decision is finalized.

Selection note

How to choose it

Use this class to choose between its final subclasses such as Manufacture of Electronic Valves and Tubes. If two options look close, compare the exact activity, the outputs and the way the business actually earns revenue.

FAQ

What does PSIC Class 2611 cover?

PSIC Class 2611 is the four-digit layer that sits just above the final subclasses and usually defines the activity family for Manufacture of electronic valves and tubes.

How do I compare Class 2611 with the sibling classes?

Read the neighboring classes and compare the exact wording of the child subclasses. Nearby options include 2612 Manufacture of semi-conductor devices and other electronic components.

Why does Class 2611 matter for a filing decision?

It is usually the last broad checkpoint before the five-digit subclass choice, so it is the right place to catch near-miss classifications.