Alphabetical company index for letter/character "H", page 23 of 41
- Hicksville Union Free School District
- Hico Independent School District
- Hidalgo County
- Hidalgo County, TX
- Hidalgo Independent School District
- Hidalgo Industrial Services
- HiFx
- Higbee R-Viii School District
- Higgins General Hospital
- Higgins Independent School District
- High Arctic Energy Services, Inc.
- High Bridge Borough School District
- High Country Chemical Supplies
- High Island Independent School District
- High Liner Foods Incorporated
- High Mount School District 116
- High Plains Community Schools
- High Point R-Iii
- High Point Regional High School District
- High Point Regional Hospital
- High River Gold Mines Ltd.
- High Sierra Painting
- High Street Partners
- High-Con
- High-Tech Institute
- Higher Information Group
- Higher One
- Highland Central School District
- Highland Community Hospital
- Highland Community School District
- Highland County
- Highland County Public Schools
- Highland County, VA
- Highland CUSD 5
- Highland District Hospital
- Highland Falls Central School District
- Highland Forwarding
- Highland Hospital Oakland
- Highland Hospital Rochester
- Highland Independent School District