| radio broadcasting companies | radio broadcasting stations | radio communication equipment |
| radio repair | radio services | radio stations |
| radiotelephone communication | railroad car leasing | railroads |
| ready manufacturers | ready mixed concrete | ready mixed concrete manufacturers |
| real estate | real estate agents | real estate attorney |
| real estate investment trusts | real estate manager | real estate school |
| real property lessors | record manufacturers | recreation |
| recreational camps | recreational vehicle dealers | recreation clubs |
| recreation goods | rectal surgeons | refined petroleum pipelines |
| refiners | refractory materials | refrigerated storage |
| refrigerated warehousing | refrigeration equipment | refrigeration repair |
| refrigeration services | refrigeration supply | refuse systems |
| regulation | regulation of agricultural marketing | related devices |
| related material | related products | related products manufacturers |
| related work | religious organizations | repair service |
| residential care | residential construction | residential lighting fixtures |
| restaurant | restaurant architects | restaurant consultants |
| restaurant cuisines | restaurant equipment | restaurant equipment supply |
| restaurant supply | retail bakeries | retail nurseries |
| reupholstery repair | rivets | rivets manufacturers |
| roasted coffee | roller bearing | roofing |
| roofing contractors | roofing equipment | roofing supply |
| rubber-synthetic | rubber-synthetic manufacturers | rug cleaners |
| rug dealers | rug dealers new | rural bus transportation |
| russian restaurant |
