Organizers
- Southeastern University
- Southern Adventist University Outdoor Leadership
- Southern Adventist University School of PEHW
- Southern Appalachian Racing, LLC
- Southern Area Hospice Services
- Southern Arizona Roadrunners
- Southern Bicycle League
- Southern Boone Area YMCA
- Southern California Half Marathon & 5K
- Southern California PGA
- Southern California Road Runners of Walnut
- Southern California Tennis Academy
- Southern Colorado Veterinary Internal Medicine
- Southern Cyclists of Statesboro
- Southern Elite
- Southern Farms
- Southern Food & Beverage Museum Children's Programs
- Southern Food and Beverage Museum Children's Programs
- Southern Hills Plantation Club
- Southern Hills Running Club
- Southern Idaho Cycling Klub
- Southern Illinois University
- southern indiana baseball
- Southern Indiana Classic
- Southern Indiana Spikes and Team Central Sports
- Southern Indiana Wolfpack
- Southern Lakes Parks & Recreation
- Southern Little League
- Southern Maryland Community Network
- Southern Maryland Electric Cooperative
- Southern Maryland Youth Flag Football League
- Southern Meadows Golf Club
- Southern Michigan Aquatic Club
- Southern Nevada Writing Project
- Southern New England Soccer
- Southern Ohio Sting Baseball and Softball Club
- Southern Oregon Challenger Little League
- Southern Pines Golf Club
- Southern Pines Recreation & Parks Department
- Southern Race Timing
- Southern Racing
- Southern Sailing Academy
- Southern Scholarship Foundation
- Southern Softball
- Southern Sports Promotions, LLC
- Southern Sports Promotions, LLC (Steve Cooley)
- Southern Stafff/Volunteer local CTA
- Southern Technical Institute
- Southern Ulster Racing
- Southern Union State Community College
