Alphabetical company index for letter/character "H", page 28 of 42
- Hitachi Vantara
- Hitchcock County
- Hitchcock County School System
- Hitchcock Independent School District
- Hitchcock Tulare School District 56-6
- Hittite Microwave Corp.
- Hivelocity Hosting
- HKN Inc.
- HKS Medical Information Systems
- HLTH Corp.
- HMG/Courtland Properties Inc.
- HMN Financial Inc.
- HMS Holdings Corp.
- HNI Corp. (HON Furniture)
- HNP Pharmaceuticals
- Ho-Ho-Kus School District
- Hoag Memorial Hospital Presbyterian
- Hoag Orthopedic Institute
- Hobart and William Smith Colleges
- Hobart School District
- Hobbs Municipal Schools
- Hobby Lobby Stores
- Hoboken Public School District
- Hobson K-12 Schools
- Hocking County
- Hocking Valley Community Hospital
- Hockinson School District
- Hockley County
- Hodgeman County
- Hodgeman County Health Center
- Hodgeman County Schools
- Hodgen School District
- Hodyon
- Hoegh LNG Partners LP
- Hoehne Reorganized School District No. 3
- Hoffman
- Hofstra University
- Hoisington School District
- HOK
- Hoke County