Skip to Main Content

Loyola University Chicago Libraries

Business Administration

Locate business related resources, such as, articles, company profiles, and market research information.

Industry Reports

Industry Codes

The NAICS numbering system is a six-digit code. The first two digits designate the largest business sector. The third digit designates the sub sector, the fourth digit designates the industry group, and the fifth digit designates particular industries.  The last digit designates national industries. The first five digits are generally the same in all three countries.  

SECTOR

31

Manufacturing

SUBSECTOR

311

Food Manufacturing

INDUSTRY GROUP

3112

Grain and Oilseed Milling

NAICS INDUSTRY

31121

Flour Milling and Malt Manufacturing

U.S. INDUSTRY

311211

Flour Milling

The SIC numbering system uses is a four-digit code. The first two digits designate a general industrial sector.  The third digit designates the industry group, while the last digit specifies a more focused industry segment.

MAJOR GROUP

20

Food And Kindred Products

INDUSTRY GROUP

204

Grain Mill Products

INDUSTRY

2041

Flour and Other Grain Mill Products