Alphabetical company index for letter/character "R", page 31 of 38
- Ross County
- Ross Elementary School District
- Ross Local School District
- Ross Stores Inc.
- Ross University School of Medicine
- Ross University School of Veterinary Medicine
- Ross Valley Elementary School District
- Rossford Exempted Village School District
- Rossville Con School District
- Rossville-Alvin CUSD 7
- Rostelecom
- Roswell Independent Schools
- Rotan Independent School District
- Rotating Machinery Services
- Rotech Healthcare Inc.
- Rothman Orthopaedic Specialty Hospital
- Rothsay Public School District
- Roto-Rooter
- Rotterdam-Mohonasen Central School District
- Round Lake CUSD 116
- Round Lake-Brewster Public Schools
- Round Rock Independent School District
- Round Rock Medical Center
- Round Table Group
- Round Top-Carmine Independent School District
- Round Valley Joint Elementary School District
- Round Valley Unified District
- Round Valley Unified School District
- Roundup Elementary School District
- Roundup High School District
- Roundup Memorial Healthcare
- Roundy's Inc.
- Roundy's Supermarkets
- Rouse Properties Inc.
- Routt County
- Rover
- Rovi Corp.
- Rowan Cos. Inc.
- Rowan County
- Rowan County School District