- 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
- Rotary International, World Headquarters
- Rotary of Western Johnson County
- Roto
- Rotoract Club
- Roundy's
- Routt County United Way
- Rowan Companies Inc.
- Rowan County United Way
- Rowan Regional Medical Center
- Rowan University
- Rowland Coffee Roasters Inc.
- Roxborough Memorial Hospital
- Royal American Services Inc.
- Royal and Sunalliance
- Royal Palms Hotel and Casitas, Phoenix, AZ
- RPM
- RPM International Inc.
- RRM Design Group
- RS and Mcgladrey
- RSH Architects
- RSI