Firma H - Kråkerøy
- Hald AS
- Haugstentunet
- Hést AS
- Hypatia AS
- HotCoffee AS
- Hotcoffee AS
- Haugstentunet
- Hulaas AS
- Hpd AS
- Henwic AS
- Hgs AS
- Henrik
- Hornvin AS
- Hagesæther AS
- Hauglum
- Homecharging Studentbedrift
- Haugentunet Sameie
- Helgensen Ragnhild
- Hafa bad
- Hm Montasje AS
- Hansen Kiropraktikk
- Helfo Fredrikstad
- Haugentunet Sameie
- HS Arealplan AS
- Heigård Sameiet
- Hallberg Ingvild
- Hanne Tolfsen
- Håvard Øieroset
- Helsehuset Fredrikstad
- Holum Enterprise
- Had Holding AS
- Håpets Katedral AS
- Henrik Hals
- Herr Hoti
- Hka Holding AS
- Haug Produksjoner
- Hohmann Helsetjenester
- Heine Magnussen
- Holteåsen Holding AS
- Hele Interiør AS
- Henwic Datter AS
- Hbv Eiendom AS
- Haugens Marketing
- Home cut
- Hal Holding AS
- Havfolk Holding AS
- Haug Invention
- Halayna Mashkina
- HS Holdingselskap AS
- Hauglum-Jensen AS
- HS Eiendomsselskap AS
- HS Arealplan AS
- Helge Olimb AS
- Hos Martin Edholmen AS
- Hansen Rino Glenn
- Henrik Bjerke Holding AS
- Hauge André Alexandersen
- Hjorth Tollefsen Holding AS
- Helge Normann Ramsdal
- Hermansen & Vormdal AS
- Helseopplysningen Krogh-Bjerke
- Hedda Aurora Bjørklund
- Hanne Margaretha Biedilæ
- Hestengen Active Consulting
- Hagerup Å Stønn
- Ha-Ra Norge ANS
- House Of Ikigai AS
- Hans Thorstein Øiseth
- Høytrykk & Vakumteknikk AS
- Henriksen-Haltli Marius
- Hanne Elisabeth Bringager
- Hans Henrik Femdal
- Helle Kristin Wollmo
- Heimarklinikken Heidi Ruud
- Hans Ingvald Røed
- Halvorsrødfeltet Vann & Avløp AS
- HK-Klubben Webhelp Fredrikstad
- Høgskolen i Østfold Fredrikstad
- Holdhodetkaldt Pia Elisabeth Thomassen
- Høgskolelektor Sykepleie Siri Brynhildsen
- Høidal Park og Mek
- He-Li-the Holding AS
- Hjelp Hjemløse Katter Østfold
- Halvor Vesje-Lindrupsen Consult
- Hr Publishing P. Monsen
- Human Research P. Monsen
- Humor Management Kyrre Sæther
- Hans Christian Andersen Hca Talkman
- Hunderis Pennmed Odd Helge Hunderi
- Helsa Trivsel og Velvære Rita Holberg
- HMS Legen / A.K. Marthinsen