PSIC PSICph
Mn Section B Mining
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Group 091 - Support activities for petroleum and gas

PSIC Group 091 covers Support activities for petroleum and gas. Direct children below it include Support activities for petroleum and gas extraction. It clusters closely related activities and helps compare nearby...

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

Practical summary

Group 091 sits in the PSIC 2019 hierarchy under B Mining and Quarrying > 09 Mining Support Service Activities. This group usually narrows the choice to a small family of classes such as Support activities for petroleum and gas extraction. 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 Support activities for petroleum and gas extraction 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 Support activities for petroleum and gas extraction. The safest choice is the one whose wording matches the actual production, service or operating model most closely.

FAQ

What does PSIC Group 091 cover?

PSIC Group 091 clusters a smaller family of classes under Support activities for petroleum and gas and is useful when the business sits between closely related options.

How do I compare Group 091 with sibling groups?

Look at the parent class and the nearby sibling groups. On this page, the most relevant nearby options are 099 Support Activities for other Mining and Quarrying.

Why is Group 091 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.