This page contains a numerical NAICS code list 2017. Users can view and lookup an index of 2017 NAICS codes in numerical order.
Disclaimer While all the effort has been made to make this service as helpful as possible, this is free service and the author makes no warranties regarding the accuracy or completeness to any information on this website.. Source TR 2018/4TR 2018/4
The Commodity Codes Search page lists all NIGP commodity codes and is searchable.