Standard Industrial Classification Code(redirected from 4581)
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Standard Industrial Classification Code
A four digit code used in business to classify the industry to which a company belongs. The SIC code was created by the U.S. government in 1937 to facilitate communication within and between businesses and industries. For the most part, the SIC was replaced by the six digit NAICS in 1997, but the SEC still uses the SIC. For example, an oil & gas exploration company might file with the SEC under the SIC code 1382.
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