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  1. SIC Code Lookup | SIC Code Search Tool

    About SIC Codes A SIC Code describes the primary business activity of a company. With more than 10,000 unique classifications, SIC codes have been extended to create the most …

  2. Understanding SIC Codes: Who Needs Them & Finding Yours

    Sep 25, 2025 · What Is a SIC Code? Standard Industrial Classification (SIC) codes are four-digit numerical codes created by the U.S. government to classify business industries.

  3. What are SIC and NAIC Industry Codes? – Dun & Bradstreet

    SIC stands for Standard Industrial Classification and NAICS stands for North American Industry Classification System. These are commonly used industry codes in the US, Canada, and …

  4. SIC Lookup Help - NAICS Association

    SIC is a Self-Assigned System. Essentially what that means is you pick the code that best suits your business and use it when asked for your code. No one assigns you an SIC Code! ALSO - …

  5. What is a SIC Code? - BusinessAnywhere

    Jun 21, 2025 · SIC codes, or Standard Industrial Classification codes, are 4-digit numbers used to classify U.S. businesses by their primary activities. While they were introduced in 1937 and …

  6. What Is a SIC Code? | Standard Industrial Classification Codes

    Nov 2, 2022 · The government created the Standard Industrial Classification codes (SIC codes) to identify U.S. businesses. The classification system uses four-digit coded numbers that …

  7. What Is a SIC Code for a Business? Explained Simply - Paystand

    Sep 4, 2024 · What Is a Standard Industrial Classification (SIC) Code? The Standard Industrial Classification (SIC) code categorizes and organizes industries according to their business …

  8. What are SIC codes and how do I choose mine?

    Aug 9, 2024 · What is a SIC Code? A Standard Industrial Classification code, more commonly referred to as a SIC code, is a five-digit code that specifies your business’s activity. They …

  9. Understanding SIC Codes: Structure, Uses, and Extended...

    Jan 1, 2013 · What is a SIC Code? The Standard Industrial Classification (SIC) system categorizes businesses by primary activities using four-digit codes. Established by the U.S. …

  10. How To Do a SIC Code Lookup With 5 Different Methods

    Sep 23, 2025 · What is a SIC code lookup? When do you need to do a SIC code lookup? We’ll first talk a bit more about what a SIC codes lookup is, and why it’s useful from a KYB …