Organizers
- Rivalry Rage
- Rivalry Relay LLC
- Rivellino School Of Art
- River Bend Golf Club
- River City Cycling Club
- River City Race Management
- River City Races
- River City Racquet Club
- River City Run
- River City Run - 5K Running Tour of San Antonio
- River City Runners
- River City Tumble & Cheer, LLC
- River City Water Polo Academy
- River Edge Little League
- River Forest Park District
- River Forest Tennis Club
- River Hills CC
- River Island Country Club
- River Oaks Baptist School
- River Oaks Community Church
- River Parish Running
- River Region Runners (R3)
- River Run 100
- River Valley Ranch
- River Valley Soccer Association
- Rivera Tennis Academy
- Riverbank USD After-School Programs
- Riverbend Environmental Education Center
- Riverbend Golf Complex
- Rivercut Golf Course
- Riverdale Golf Courses
- Riverdale Neighborhood House, Inc.
- Riveredge Nature Center
- RiverFest
- Rivermont Collegiate
- RiverRidge Golf & Event Center
- RiverRidge Golf Complex
- RiverRun Community Montessori
- River's Edge Forest Play, LLC
- Rivers Edge Golf Course
- River's Edge Retreat
- Rivers to Ridges
- Riverside Adventure Company
- Riverside Athletic Club
- Riverside Bible Camp
- Riverside Church of Christ
- Riverside Church of Christ CM
- Riverside Citrus Classic
- Riverside Community Health Foundation
- Riverside Elementary School
