SIC Code 2298 - Cordage and twine

HitHorizons API Documentation - Code Lists

The Entire SIC Code List - Free from EHSO

SIC Code Databases

SIC Code Lookup - The Credit Research Foundation

SIC Code Lookup - The Credit Research Foundation

SIC Code Checklist - ITMarketIntelligence.com

Integra Browser (NAICS & SIC Lookup)

The Entire SIC Code List - Free from EHSO

US SIC Codes, sql table definition and data · GitHub