Meaning and calculation
How does the SEC group companies into broad industry buckets for regulatory categorization? Standard Industrial Classification codes classify companies by their primary economic activity and product line.
Source references: SEC: Standard Industrial Classification Code List
A hypothetical worked example
Hypothetical: A reader checks the four-digit SIC code on a company's registration statement to identify its primary government-defined industry peer group.
What can make this comparison misleading?
An SIC code classifies a general industrial activity, not a unique issuer ID, and multi-segment conglomerates often operate far beyond their assigned category.
What to record beside the number
- The filing URL, document section and issuer identity.
- The reporting period, currency, units and whether the figure is reported or calculated.
- The exact formula and any missing inputs or differences in definitions.
Sources & corrections
Prepared with AI assistance and automated source and calculation checks. No independent human analyst review is claimed. Hypothetical examples and historical data are identified in the text.
Use the linked primary sources to check definitions and company disclosures. Filings and service details can change; verify the relevant period before relying on a figure.
Found an error? Send a correction with the page, the claim and a supporting source. These guides provide general education; they do not assess your financial circumstances or recommend a trade. Read our research disclosures.