| fabricated fittings | fabricated pipe | fabricated rubber products |
| fabricated structural metal | fabricated textile products | fabric laminating |
| family clothing stores | family law attorneys | family lawyer |
| family restaurants | family services | farm-product raw materials |
| farm management services | farm supply | fasteners-industrial |
| fast food restaurants | federal credit union | federal government-international affairs |
| federal government-national security | federally sponsored credit agencies | federal savings institutions |
| fence | fence dealers | fence materials |
| fencing | fertilizer manufacturers | fiber optics systems |
| field crops | fine dining restaurants | fine jewelry collection |
| fire insurance | fire protection | fish manufacturer |
| fish market | 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 |
| foil manufacturers | foil products | foil products manufacturers |
| 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 |
| forestry service | freight transportation arrangement | fresh fruit |
| fresh vegetables | frozen dessert | frozen desserts distributors |
| frozen desserts manufacturers | frozen fruit | frozen specialties |
| fruit market | fuel dealer | functions related to deposit banking |
| funeral directors | funeral services | fur-bearing animals |
| fur-bearing rabbits | fur goods | fur goods manufacturers |
| furnishings retail | furniture | furniture manufacturers |
| furniture repair | furniture stores |
