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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. 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 …

  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

    Thus, the Standard Industrial Classification system was born. SIC codes are four-digit numerical representations of major businesses and industries. SIC codes are assigned based on …

  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. Everything SIC - NAICS Association

    Gain insights into Standard Industrial Classification (SIC) codes, industry categorization, and business data analysis for accurate market research.

  7. 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 …

  8. Standard Industrial Classification Code (SIC Code) - Doing …

    Nov 21, 2025 · The Standard Industrial Classification (SIC) code system was born in the 1930s and used for several decades.

  9. What Is a SIC Code? SIC Structure, Primary Code Rules

    SIC (Standard Industrial Classification) is a U.S. government-originated 4-digit industry coding system that categorizes businesses by their primary activity to support consistent reporting, …

  10. 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 …