How can I have my company's NAICS code changed? complete and valid NAICS code contains six digits. For instance, the System for Award Management Are U.S. international trade data available on a NAICS basis? " section of this Web site. Use the SIC to NAICS Crosswalk. greater than six digits that are labeled as "NAICS codes" Finally, some CES series are no longer published at the same level of detail under a new NAICS structure. Table 4 below is a comparison of the organizational structures of SIC and NAICS. Disabling these should not impact website performance. NAICS codes for statistical purposes. agencies collect, tabulate, present, and analyze data about