- Harrington Hospital
- Harrington Memorial Hospital-Southbridge
- Harris County AFL-CIO
- Harris Health System
- Harris Interactive
- Harris Methodist Erath County
- Harris Regional Hospital
- Harris Teeter
- Harrisburg High School
- Harrisburg Hospital
- Harrisburg Senators Baseball Club
- Harrison County United Way
- Harrison Group Resort Hotels
- Harrison Memorial Hospital
- Harry's Cadillac, Pontiac, GMC Trucks
- Hart Associates
- Hart-Line Emergency Transportation, Inc.
- Hartford Hospital
- Hartford Hospital Transplant Program
- Hartford-Windsor Marriott Airport, Hartford-Windsor, CT
- Harvard Technologies
- Harvard University, JFK School of Government
- Harvest Inn, Sonoma
- Hassett Air Express
- HATCH
- Hatteras Island Resort
- Havasu Regional Medical Center
- Haw Creek Elementary School
- Hawaii Bone Marrow Donor Regisrty
- Hawaii County Police Department - Drivers License Section
- Hawaii Department of Health, Genetics
- Hawaii Island United Way, Inc.
- Hawaii Pacific University
- Hawaii State Department of Health
- Hawaii Visitors and Convention Bureau
- Hawarden Regional Healthcare
- Hawkins County Memorial Hospital
- Haworth SMED
- Hawthorn Suites at Pleasant Prairie
- Hawthorn Suites by Wyndham Albuquerque
- Hawthorn Suites on the Riverwalk, San Antonio
- Hawthorn Suites Philadelphia Convention Center, Philadelphia, PA
- Hawthorn Suites, Pittsburgh, PA
- Hawthorne Construction
- Hayes and Lunsford Electric, Inc.
- Haynes Jeep Eagle
- Hays First United Methodist Church
- Hays Medical Center
- Haywood Pediatrics
- Haywood Regional Medical Center