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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 accurate way to …

  2. Standard Industrial Classification (SIC) Code List - SEC.gov

    The Standard Industrial Classification Codes that appear in a company's disseminated EDGAR filings indicate the company's type of business. These codes are also used in the Division of Corporation …

  3. 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.

  4. Standard Industrial Classification - Wikipedia

    SIC codes are four-digit numerical representations of major businesses and industries. SIC codes are assigned based on common characteristics shared in the products, services, production and delivery …

  5. 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 Mexico. …

  6. What is an SIC Code — Standard Industrial Classification

    What is an SIC code? Standard Industrial Classification codes — more commonly known as SIC codes — were created by the US government to classify the type of work a business does. This information …

  7. Everything SIC - NAICS Association

    SIC Codes are used to identify the primary line of business for any specific company, however, many companies have more than one line of business. As such, secondary, tertiary codes and so forth …

  8. 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 last …

  9. Understanding Standard Industrial Classification (SIC) Codes: Their ...

    Jul 6, 2025 · Standard Industrial Classification (SIC) codes serve a pivotal role in classifying industries and organizing businesses by their respective activities. Developed in 1937, the system divides the …

  10. SIC Codes: What They Are, Who Needs Them, and How To Find Yours

    Aug 24, 2024 · Standard Industrial Classification (SIC) codes are four-digit numerical codes used to classify businesses based on their primary business activities. These codes play a crucial role in …