NEC Definition
Not Elsewhere Classified. A classification suffix used in the legacy SIC structure to catch industry categories that do not fit into specific codes.
Related Guides & Tools
- SBA Size Standards Guide — Legal rules of small business classification.
- Federal Contracting Identifiers Guide — Overview of CAGE, DUNS, and Unique Entity IDs.
- SIC ↔ NAICS Concordance Crosswalk — Search and map old SIC codes to modern formats.