| fabricated metal products | fabricated rubber products | fabricated structural metal |
| fabricated textile products | fabric bonding | fabric bonding manufacturers |
| fabric laminating | fabric laminating manufacturers | facilities support services |
| family clothing stores | family law attorneys | family lawyer |
| family restaurants | family services | farm-product raw materials |
| farm machinery | farm management services | farm product storage |
| farm product warehousing | farm supply | fasteners-industrial |
| fast food restaurants | federal credit union | federal government-international affairs |
| federal government-national security | federal government space research | federal government technology |
| federally sponsored credit agencies | federal savings institutions | feet doctor |
| fence | fence dealers | fence materials |
| fencing | ferry | ferry services |
| fiber manufacturers | fiber optics equipment | fiber optics equipment manufacturers |
| fiber optics systems | fiber optics systems manufacturers | fiber products manufacturers |
| field beans | field crops | fine dining restaurants |
| fine jewelry collection | finishing plants | fire insurance |
| fire protection | fish manufacturer | fish market |
| fish preserves | fish products | fixed facilities |
| flavoring extracts | flavoring extracts manufacturers | flavoring syrups |
| flavoring syrups manufacturers | floor covering stores | flooring mills |
| floor laying | floor work | florist |
| florists-retail | florist supplies | flour |
| flower supplies | flying fields | flying service |
| food crops grown under cover | food preparations | food products-machinery |
| foot & ankle surgery surgeons | foot doctor | foot surgeons |
| footwear | footwear manufacturers | footwear wholesale |
| footwear wholesale manufacturers | foreign agencies | foreign bank |
| foreign branches | foreign trade | forensic accounting |
| forester | foresters-consulting | forestry service |
| freight transportation arrangement | fresh fruit | fresh vegetables |
| frozen dessert | frozen desserts distributors | frozen desserts manufacturers |
| frozen fruit | fruit market | fruits nuts |
| fryers | fuel dealer | fuel oil dealer |
| functions related to deposit banking | funeral directors | funeral services |
| fur goods | fur goods manufacturers | furnishings retail |
| furniture | furniture frames | furniture frames manufacturers |
| furniture manufacturers | furniture repair | furniture stores |
