SIC Code lookup and SIC code search by industry. Standard industry classification codes and marketing lists for 40 million businesses What Is a SIC Code? A SIC code is a legacy U.S.

Understanding the Context

industry classification used to identify the primary economic activity of a business for reporting, continuity, segmentation, and historical comparison. The official system is anchored at 4 digits, moving from broad divisions to a specific industry code. This page explains what a SIC code means, how the structure works, how primary SIC selection ... Learn how the SIC structure works from divisions through 4-digit industry codes, why “9” often means NEC/not elsewhere classified, and how extended SIC Code Frequently Asked Questions How to Find a Company’s SIC Code: Business Lookup and Industry Classification Updated: 2026 Reviewed By: SICCODE.com Industry Classification Review Team Data Lineage: About Our Data Team Quick answer: To find a company’s SIC code Search by company name or keyword in the SIC Code Lookup & Directory .

Key Insights

Lookup any SIC 6-Digit Code. Find Detailed and Helpful Information About SIC 6-Digit Codes. Access Related Code Systems. UK SIC Codes (Standard Industrial Classification): Overview, Structure, and Guidance The UK Standard Industrial Classification, usually called UK SIC, is the United Kingdom’s framework for classifying business establishments and other statistical units by their economic activity. SIC Code 6531 - Real Estate Agents and Managers is a final level code of the “ Finance, Insurance, Real Estate ” Division.

Final Thoughts

There are 215,187 companies classified in this industry in the USA with an estimated employment of 3144397 people. SIC Code 1623 - Water, Sewer, Pipeline, and Communications and Power Line Construction is a final level code of the “ Construction ” Division. There are 6,157 companies classified in this industry in the USA with an estimated employment of 256445 people. Search or browse SIC Code and NAICS Code lists. Download marketing lists and targeted leads from over 15 million companies and 40 million executives.