R
- ResMed Inc.
- Resolution Limited
- Resona Holdings
- Resonance Specialities
- Resourcehouse
- Resources Connection, Inc.
- Respironics, Inc.
- Response Informatics
- Restaurants Association of Ireland
- Restile Ceramics
- Restoration Hardware, Inc.
- Resurgere Mines and Minerals India
- Retail Ventures, Inc.
- Retalix Ltd.
- Retro Studios
- Reuters Group PLC
- Revathi CP Equipment
- Revenue Watch Institute
- Revillon (designer)
- Revlon, Inc.
- Revolting Cocks (musician)
- Revolution Software
- Rexam, Plc
- Rexnord Electronics and Controls
- Reynolds American, Inc.
- RF Micro Devices, Inc.
- RGN Security and Holding
- Rh+ (musician)
- Rhapsody (online music service)
- RHB Bank Berhad
- Rhett Miller (musician)
- Rhiti Sports
- Rhizome
- Rhode Island College
- Rhode Island Rams (basketball)
- Rhode Island Rams (football)
- Rhode Island Stingrays
- Rhodes College
- Rhone Poulenc (India)
- Rhutu Bearings and Estates (India)
- RIAA
- Rialto Eisenhower High School
- Riba Textiles
- Rice Owls (basketball)
- Rice Owls (football)
- Rice University
- Rich Capital and Financial Services
- Rich Gold Finance
- Rich Robinson (musician)
- Richa Ind
- Richard Childress Racing
- Richard Nicoll (designer)
- Richard Petty Motorsports
- Richards Group
- Richardson Independent School District
- Richebourg
- Richemont
- Richirich Agro
- Richline Pharma
- Richmond Ballet
- Richmond Kickers
- Richmond Kickers Destiny
- Richmond Kickers Future
- Richmond Spiders (basketball)
- Richmond Spiders (football)
- Richmond Strikers
- Rico Agroils
- Rico Auto
- Ricoh
- Ricoh India
- Riddhi Siddhi Gluco Biols
- Rider Broncs (basketball)
- Rider University
- Ridge Theater
- Ridge Vineyards
- Ridgewood Bushwick Senior Citizens Council
- Rids Securities
- Riga Sugar Co
- Riggs Bank
- Right Said Fred (musician)
- Right to Life Party
- Rightist Socialist Party Of Japan
- Rightmove
- RightNow Technologies, Inc.
- Rikvin Floors
- Rimmel (designer)
- Rinker Group Limited
- Rinki Petrochemicals and Industries
- Rinku Polychem
- Rio Ave F.C.