Why are Some SIC Code lists 8-Digit and Others 4 Digits?

U.S. SIC Codes are defined at the four digit level. Eight-digit SIC Codes are not official U.S. government SIC codes, therefore, historical statistical data cannot be found for any SIC Code beyond the four-digit level via government sources.  Six, seven and eight-digit codes have been created by private data companies to help further classify industries for …

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Can I Use My NAICS Code to Determine my SIC Code?

Yes! Just search for the NAICS code in our NAICS search tool (https://www.naics.com/search/), then click on the “View SIC” Button next to the NAICS code you are interested in and you will see which SIC(s) relate to that NAICS code.  Then select the SIC code that best reflects your line of revenue producing activity.

Can I Use My SIC Code to Determine my NAICS Code?

Yes! Just search for the SIC code in our SIC search tool (https://www.naics.com/everything-sic/), then click on the “View NAICS” Button next to the SICcode you are interested in and you will see which NAICS(s) relate to that SICcode.  Then select the NAICS code that best reflects your line of revenue producing activity.

How Can I get a New SIC Code Created for my Type of Business?

The Standard Industrial Classification System (SIC) was discontinued in 1997. While the four digit SIC codes will no longer be updated, some data companies have created a proprietary 6 or 8 digit SIC coding system that they continue to maintain and update for market segmentation purposes.  When you look at a 4 Digit SIC code …

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How Can I Have My Company’s SIC Code Changed?

The US Census Bureau no longer utilizes the SIC system, however there are a number of organizations and agencies that still utilize the SIC Coding System. Traditionally, the SIC is a self assigned system, meaning your company would identify itself by the code that most accurately reflects its line of business. If an organization has …

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Is the NAICS Association a Government Agency?

While the NAICS Association is the best available resource for identifying NAICS Codes, it is not a Government Agency. The system itself is managed by the Census Bureau. NAICS Association is a private company dedicated to helping Customers with all things NAICS and SIC. We provide free and paid resources to help people understand and …

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Who Assigns SIC Codes to Businesses and How?

SIC Codes are no longer assigned by the US Government as they have been replaced by NAICS (North American Industrial Classification System). However, there are many agencies and organizations both government and otherwise that do still utilize these codes for a variety of reasons. Some will assign you a code themselves, though in most cases, …

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How Can I Determine the Correct SIC Code for My Business?

SIC Codes are based on Primary Business Activities. It is a much more general and less specific classification system than the newer NAICS Codes, especially at the official, 4-digit level. You should be looking for the code that best describes what your business does. Using the SIC Code Drilldown List to Identify Your Code: The …

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