- TSN Incorporated
- Tuba City Regional Health Care
- Tube City Inc.
- Tuck Software Group
- Tuckaway, Inc.
- Tucson Medical Center
- Tug River Health Association, Inc.
- Tug Valley ARH Regional Medical Center
- Tulane Medical Center
- Tulane Sutdents for Life
- Tulane University
- Tulane University, School of Public Health and Tropical Medicine
- Tulare Regional Medical Center
- Tulsa Convention Center
- Tulsa County
- Tulsa ER & Hospital
- Tulsa Spine & Specialty Hospital
- Tunica Convention and Visitors Bureau
- Tur-Pak Foods
- Turkey Creek Medical Center
- Turner Job Corps
- Turner Property
- Turnkey Communication Solution
- Turnkey Promotions, Inc.
- Tuscaloosa County, Department of Planning and Community Development
- Tuscaloosa VA Medical Center
- Tuscawilla Oaks Animal Hospital
- Tuscola County
- Tuskegee University, College of Veterinary Medicine, Nursing and Allied Health
- TV Guide
- TV Guide Magazine Group, Inc.
- Tvesco, Inc.
- Twin Cedars Youth Services
- Twin City Hospital
- Twin County Regional Healthcare
- Twin County United Way
- Twin Lakes Center
- Twin Towers
- Two Thousand Opportunities, Inc.
- Ty Boyd Executive Learning Systems
- Ty Cobb Health Care System
- Tyco Adhesives
- Tyco Healthcare
- TyL Associates
- Tyler Memorial Hospital
- Tylerworks
- Tyrone Hospital
- Tyson Auto Group
- Tyson Foods, Inc
- Tyson Fresh Meats