- Rockledge Medical Center
- Rocklin Park Hotel
- Rocklin Police Department
- Rockpointe Broadcasting
- Rockwell Collins
- Rockwell Collins
- Rockwood Retirement Communities - Rockwood South Hill
- Rocky Gap Lodge and Golf Resort, Flintstone, MD
- Rocky Mountain Coal Mining Institute
- Rocky Mountain Lions Eye Bank
- Rocky Mountain Lions Eye Bank
- Rocky Mountain Regional VA Medical Center
- RoData Inc.
- Roger Sherman Inn, New Canaan, CT
- Roger Stuart
- Roger Williams Medical Center
- Rogers Krajnak Architects
- Rogosin Institute Transplant Center
- Rohm and Haas Co.
- RohMax USA, LP
- Roland E. Powell Convention Center
- Roman Catholic Diocese of Orange
- Roman Catholic Diocese of San Angelo
- Rome Memorial Hospital
- Ron Biskup of Brighton Insurance
- Ronald Reagan UCLA Medical Center
- Ronald Reagan UCLA Medical Center
- Roosvelt University
- Roper Hospital
- Roper St. Francis Health System
- Rosalie Manor Community and Family Services
- ROSE
- Rose Medical Center
- Rose, Sanderson and Creasy, LLC
- Rosebud County
- Rosebud Health Care Center
- Roseland Hospital
- Rosemont Convention Bureau
- Rosemont Presbyterian Village
- Rosen Hotels and Resorts
- Roseville City School District
- Roseville Police Department
- Ross Bianco Architects P.C.
- Rosser International, Inc.
- Roswell Chamber of Commerce
- Roswell Park Comprehensive Cancer Center
- Rotary Club of Eastern Independence
- Rotary Club of LaCrosse
- Rotary Corporation
- Rotary International