NAICS 811 is the North American Industry Classification System code for Repair and Maintenance, a subsector in the Other Services (except Public Administration) sector (81). It divides into 4 more specific codes, including Automotive Repair and Maintenance (8111), Electronic and Precision Equipment Repair and Maintenance (8112) and Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance (811310).
NAICS 811 is the code for Repair and Maintenance, a subsector in the North American Industry Classification System (NAICS 2022), under 81 (Other Services (except Public Administration)). It has 4 more specific codes: 8111, 8112, 811310 and 8114.
The parent of NAICS 811 is 81, Other Services (except Public Administration). Every company under 811 is also counted under 81.