| fabricated structural metal | fabricated textile products | facilities support services |
| family clothing stores | family law attorneys | family lawyer |
| family restaurants | family services | farm machinery |
| farm supply | fasteners-industrial | fast food restaurants |
| federal credit union | federal government-international affairs | federal government-national security |
| federally sponsored credit agencies | feed manufacturer | fence |
| fence dealers | fence materials | fencing |
| fertilizer manufacturers | fine dining restaurants | fire insurance |
| fire protection | fish manufacturer | fish market |
| fish products | floor covering stores | floor laying |
| floor work | florist | florists-retail |
| florist supplies | flower supplies | flying fields |
| flying service | food preparations | foot & ankle surgery surgeons |
| foot doctor | footwear | foreign trade |
| forensic accounting | freight transportation arrangement | fresh fruit |
| fresh vegetables | frozen dessert | frozen desserts distributors |
| frozen desserts manufacturers | fryers | fuel dealer |
| functions related to deposit banking | funeral directors | funeral services |
| furnishings retail | furniture | furniture manufacturers |
| furniture repair | furniture stores |
