Bedrift H - Kråkerøy
- Haugstentunet
- Hinlo
- Hinlo
- Haugstentunet
- Hypatia AS
- Hald AS
- Hotcoffee AS
- HotCoffee AS
- Hést AS
- Hulaas AS
- Henwic AS
- Hgs AS
- Hpd AS
- Halvkong AS
- Hornvin AS
- Hagesæther AS
- Hauglum
- Hansen Kiropraktikk
- Haugentunet Sameie
- HT Holdingselskap AS
- Helhetsklinikken Fredrikstad
- Hm Montasje AS
- Helge Ramsdal
- Heigård Sameiet
- Haugentunet Sameie
- Hafa bad
- Hai-S AS
- Hanne Tolfsen
- Helfo Fredrikstad
- Holme Helse
- Helsehuset Fredrikstad
- Holum Enterprise
- Had Holding AS
- Henrik Hals
- Haug Produksjoner
- Hka Holding AS
- Hohmann Helsetjenester
- Haugens Marketing
- Hele Interiør AS
- Hbv Eiendom AS
- Heine Magnussen
- Holteåsen Holding AS
- Hcag Holding AS
- Home cut
- Høgsæt Luxup
- Haug Invention
- Halayna Mashkina
- Havfolk Holding AS
- Hal Holding AS
- HS Holdingselskap AS
- Hauglum-Jensen AS
- HS Eiendomsselskap AS
- HS Arealplan AS
- Houlder Rovdrift
- Heie Matvogn
- Helge Normann Ramsdal
- Hit On Hit AS
- Høgliveien Velforening, Mysen
- Hjorth Tollefsen Holding AS
- Høgliveien Velforening, Mysen
- Hermansen & Vormdal AS
- Henrik Bjerke Holding AS
- Hos Martin Edholmen AS
- Håkon Wæhler Fysioterapi
- Horgen Gaard-Ellingsen
- Hansen Rino Glenn
- Hanne Elisabeth Bringager
- Hedda Aurora Bjørklund
- Hagerup Å Stønn
- Hestengen Active Consulting
- House Of Ikigai AS
- Hans Thorstein Øiseth
- Hans Henrik Femdal
- Henriksen-Haltli Marius
- Høytrykk & Vakumteknikk AS
- Hanne Elisabeth Bringager
- Herman Galborgen Andersen Enk
- Hjerte for Hverandre
- Hjerte for Hverandre
- Heimarklinikken Heidi Ruud
- Helle Kristin Wollmo
- Helland-Hansen Itta
- Hans Ingvald Røed
- Hansen Av Formidling
- Holdhodetkaldt Pia Elisabeth Thomassen
- HK-Klubben Webhelp Fredrikstad
- Halvorsrødfeltet Vann & Avløp AS
- Høgskolen i Østfold Fredrikstad
- Høgskolelektor Sykepleie Siri Brynhildsen
- Høidal Park & Mek.
- He-Li-the Holding AS
- Hjelp Hjemløse Katter Østfold
- Halvor Vesje-Lindrupsen Consult
- Humor Management Kyrre Sæther
- Hunderis Pennmed Odd Helge Hunderi
- HMS Legen / A.K. Marthinsen