Organizers
- Think, Speak & Grow Academy™
- Third Annual South Shore 5K4Q Run and 1-Mile Fun Run
- Third Street Music School Settlement
- thisonecounts ltd
- ThistleWaithe Learning Center
- Thomas Borden PGA, Golf Instruction
- Thomas Field
- Thomas Jefferson Youth Girls Softball
- Thomasville YMCA
- Thompson Baseball Academy
- Thompson Rivers Parks and Recreation District
- Thompson Trot
- Thornblade Club
- Thornydale Little League
- ThoughtsAffect
- Thousand Oaks High School Cross Country Boosters
- Three Beach Minimum
- Three Chopt Recreation Club
- Three Eagle Half Marathon & 5K
- Three Lakes Area Chamber
- Three Rivers Park District
- Three Springs Ministries
- Three Village Swim Club
- Threshold
- Threshold Sports
- Thrive Community Fitness
- THRIVE Spirit
- ThriveKids
- ThriveKids inc.
- Through The Trees
- ThrowsLab
- Thumbs Up High 5k
- Thunder On the Beach Raceway
- Thunder Sports
- Thunder Tennis
- Thunder Youth Basketball
- ThunderCats Softball
- Thurgood Marshall Elementary PTA
- Tiblow Tennis
- Tiburon Peninsula Club
- Ticasuk Brown Elementary School
- Tick Tock Timing & Sport Services, LLC
- TicketBrite
- Ticketplus
- Ticking Tri Bombs
- Tidal Basin Run
- Tide Water Adaptive Aquatics
- Tide Water Aquatics Club
- Tide Water Aquatics Club Lessons
- Tide Water Swim School
