311225 — Fats and Oils Refining and Blending
Description
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing shortening and margarine from purchased fats and oils; (2) refining and/or blending vegetable, oilseed, and tree nut oils from purchased oils; and (3) blending purchased animal fats with purchased vegetable fats (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Refining and/or blending corn oil made by wet corn milling--are classified in U.S. Industry 311221, Wet
- Corn Milling and Starch Manufacturing;
- Refining and/or blending oilseed and tree nut oils in crushing mills--are classified in U.S. Industry 311224,
- Soybean and Other Oilseed Processing; and
- Rendering or refining animal fats and oils--are classified in Industry 31161, Animal Slaughtering and
- Processing.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 2046 - Wet Corn Milling (via SIC1987:2046→NAICS1997:311225→2002:311225→2007:311225→2012:311225→2017:311225→2022:311225)
- SIC 2074 - Cottonseed Oil Mills (via SIC1987:2074→NAICS1997:311225→2002:311225→2007:311225→2012:311225→2017:311225→2022:311225)
- SIC 2075 - Soybean Oil Mills (via SIC1987:2075→NAICS1997:311225→2002:311225→2007:311225→2012:311225→2017:311225→2022:311225)
- SIC 2076 - Vegetable Oil Mills, Except Corn, Cottonseed, and Soybean (via SIC1987:2076→NAICS1997:311225→2002:311225→2007:311225→2012:311225→2017:311225→2022:311225)
- SIC 2079 - Shortening, Table Oils, Margarine and Other Edible Fats and Oils, NEC (via SIC1987:2079→NAICS1997:311225→2002:311225→2007:311225→2012:311225→2017:311225→2022:311225)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 8945 — Food, Oils and Fats
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 311225 valid in 2022? ▾
Yes, 311225 is a valid 6-digit 2022 NAICS national industry code representing 'Fats and Oils Refining and Blending' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 311225? ▾
The Small Business Administration (SBA) has established a small business size standard of 1,100 employees for NAICS code 311225 (Fats and Oils Refining and Blending), calculated based on employees.
What is the legacy SIC equivalent for NAICS 311225? ▾
According to official Census Bureau concordance tables, NAICS code 311225 (Fats and Oils Refining and Blending) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 2046 - Wet Corn Milling, 2074 - Cottonseed Oil Mills, 2075 - Soybean Oil Mills, 2076 - Vegetable Oil Mills, Except Corn, Cottonseed, and Soybean, 2079 - Shortening, Table Oils, Margarine and Other Edible Fats and Oils, NEC.
Related Pages & Tools
Further regulatory reference links for NAICS code 311225:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 311225 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Fats and Oils Refining and Blending).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.