List Of Naics Codes 2025. This typically includes manufacturing and chemical processing sectors, as well as any related industries where these chemicals might be used or introduced into commerce,. In this guide, we will break down every naics code, helping you to navigate through the various sectors and understand the specific categories relevant to every type of.
Each digit in the code is part of a series of progressively narrower categories, and the more digits in the code signify greater classification detail. The naics manual & downloadable.