Independent Reference
US Business Classification Hub
Browse NAICS industry codes, Schedule B export commodities, PSC federal procurement codes, SOC occupations, UNSPSC products, and SBA size standards — all cross-referenced for US business use.
NAICS 2022
2,125 industries
SIC 1987
429 codes
Schedule B
9,731 export codes
HTS Tariffs
19,768 import codes
PSC
3,629 procurement
SOC
1,016 occupations
UNSPSC
4,264 products
SBA
Size thresholds
SBA Size Standards
Selected codes with current SBA thresholds
111110
$2.25
Soybean Farming
Soybean Farming
111120
$2.25
Oilseed (except Soybean) Farming
Oilseed (except Soybean) Farming
111130
$2.75
Dry Pea and Bean Farming
Dry Pea and Bean Farming
111140
$2.25
Wheat Farming
Wheat Farming
111150
$2.5
Corn Farming
Corn Farming
111160
$2.5
Rice Farming
Rice Farming
SIC Reference
Legacy SEC codes