Mf Section C Manufacturing
PSIC 2019 Navigation-first hub

Group 231 - Manufacture of glass and glass products

PSIC Group 231 covers Manufacture of glass and glass products. Direct children below it include Manufacture of glass and glass products. It clusters closely related activities and helps compare nearby classes before...

Level Group
Hierarchy depth 3/5
Children 1
Last verified 2026-05-12
About this level

Practical summary

Group 231 sits in the PSIC 2019 hierarchy under C Manufacturing > 23 Manufacture of other Non-metallic Mineral Products. This group usually narrows the choice to a small family of classes such as Manufacture of glass and glass products. It is useful when two or three neighboring activities look similar but should not be collapsed into one code.

Administrative context

Where this code is used

This group is used when reviewers compare a short list of classes such as Manufacture of glass and glass products and need to decide which family is the closest fit. It is common in internal classification review and administrative lookup work.

Selection note

How to choose it

Use this group when the activity sits between similar classes such as Manufacture of glass and glass products. The safest choice is the one whose wording matches the actual production, service or operating model most closely.

FAQ

What does PSIC Group 231 cover?

PSIC Group 231 clusters a smaller family of classes under Manufacture of glass and glass products and is useful when the business sits between closely related options.

How do I compare Group 231 with sibling groups?

Look at the parent class and the nearby sibling groups. On this page, the most relevant nearby options are 239 Manufacture of non-metallic mineral products, n.e.c..

Why is Group 231 useful for classification?

It sits at the point where a broad sector is already narrowed enough to compare a small family of similar classes before the final code choice.