# Petroleum Refineries

**IRI:** https://folio.openlegalstandard.org/J1Rgx7QYSA-QSmRfFJ_rlA

## Labels

## Definition

This industry comprises establishments primarily engaged in refining crude petroleum into refined petroleum. Petroleum refining involves one or more of the following activities: (1) fractionation; (2) straight distillation of crude oil; and (3) cracking.

## Sub Class Of

- https://folio.openlegalstandard.org/0dB4lp8-SmqZ-TtV9Mms-A

**Is Defined By:** https://www.naics.com/six-digit-naics/?code=324110

**Deprecated:** False