MGMT 490 Professor Johnsson: SIC, NAICS, and GICS

What are SIC and NAICS Codes?

Standard Industrial Classification. (SIC) In the 1930s, The U.S. Standard Industrial Classification was developed to classify and compare industries by their principle economic activities. This 4 digit system placed activities in hierarchical categories. While SIC codes are still prevalent; The SIC Code was replaced in 1997 by the North American Industry Classification System (NAICS).

The first two numerals of the SIC Code identify

45 Transportation by Air

451 Air Transportation, Scheduled, and Air Courier Services

4513 Air Courier Services

North American Industry Classification System (NAICS.). (“NAKES”). In 1997, NAICS replaced the SIC as the industry classification system. NAICS is a new 6 digit economic classification system that makes data comparable across Canada, The United States, and Mexico. The first two numerals identify a major economic sector, the third identifies a more specific sector of the major group, the fourth represents an industry group, the fifth shows the industry, and the sixth designates the national industry.

48-49 Transportation and Warehousing

492 Couriers and Messengers

4921 Couriers

49211 Couriers

492110 Air Courier Service

 What are Global Industrial Codes?

Established in 1999 by Standard and Poor's, Global Industrial Codes Standards will have 10 sectors and be followed by  24 industry groups.

See Investopoedia.com for further details.

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Excellent beginning location to find SIC and NAICS codes