Industrioverenskomsten – VO:
AK Mekaniske AS
Brubakken AS avd. Østfold
C.H.Evensen AS
Felgteknikk Norge AS
Hansen Sveis & Montering AS
Hydema
Hydrovolt AS
Hydrovolt C&S
Hydrovolt AS
Hydrovolt D&D
Høiax AS
I. B. Mekaniske AS
Jøtul AS
Konecranes AS Avd. Fredrikstad
Lafinto AS
Loyds AS
Motor & Generator Service AS
Norsk Gjenvinning Metall AS
Avd. Fredrikstad
Paxster AS
Plexx AS
Rolvsøy Metallindustri AS
Stansefabrikken
Fredrikstad AS
Stansefabrikken
Products AS
Torp Mek. Verksted A/S
Vedlikehold & Miljøservice
Industrioverenskomsten – Teknologi og Data:
Sportmann AS
Avd. Rosenborgveien
Fellesoverenskomsten for byggfag:
Adecco Solutions AS avd. Fredrikstad
Arne Nilsen AS
AS Diamantboring
AS Kafra
Backe Østfold AS
Betongbygg AS
Borge Rør AS
Boxly AS
Bravida Norge AS
Fredrikstad VVS
Byggkompaniet Østfold AS
Jan Erik Zakariassen AS
Engebretsen
Betong & Mur AS
Fredrikstad Ventilasjon og Blikkenslagerforretning AS
HA Johannessen AS
Hammerstad Maskin AS
Hersleth Entreprenør AS
HP Hovelsen AS
Icopaltak AS
avd. Fredrikstad
Moelven Modus AS Avd. Fredrikstad
Norbetong AS
Norèn Maler og Byggtapetserfirma AS
Byggmester
Rolf Andreassen AS
Solid Entreprenør AS
Østsiden VVS AS
Biloverenskomsten:
Bertel O. Steen Østfold AS
Bilbutikk1 Fredrikstad
Bodahl-Johansen & Co
Brennes Auto Fredrikstad AS
Colortec AS
Dahles Auto Fredrikstad AS Avd. Verksted
Dahles Auto Råbekken AS
Motor Forum AS
RSA Bil Fredrikstad AS
Sulland Auto Østfold AS avd. Fredrikstad
Sulland Østfold AS avd. Fredrikstad
Toyota Material Handling Norway AS
Avd. Fredrikstad
Toyota Østfold AS Avd Verksted Fredrikstad
Toyota Østfold AS avd verksted Sarpsborg
Vianor AS avd. Rolvsøy
Vogn-Service AS
Volvo Maskin AS
Verksted Råde
Overenskomsten for byggindustrien:
Glasopor AS
avd. Fredrikstad
Heidelberg Materials Prefab Norge AS avd Fredrikstad Lisleby
Heidelberg Materials Prefab Norge AS avd Rolvsøy Montasje
Heidelberg Materials Betong Norge AS avd. Fredrikstad betongfabrikk
Saint-Gobain Byggevarer AS
avd. Borge
Saint-Gobain Byggevarer AS
avd. Fredrikstad
SmartPanel AS
Overenskomst For Asfaltarbeid Og Veivedlikehold:
PEAB Asfalt Norge AS avd Østfold
Glassoverenskomsten:
Bøckmann Glassindustri AS
Glassteam AS
Steinindustrioverenskomsten:
Skåra Steinindustri AS
AIB-Overenskomsten:
Unikom AS
Unikom i Arbeid AS
Unikom Produksjon AS
Overenskomst for miljøvirksomheter:
Østfold Brønnboring AS
Miljøbedifter i Norge:
Gipsgjenvinning AS
Ragn Sells AS
avd. Fredrikstad
Østfold
Gjenvinning AS
Godsoverenskomsten (Virke):
Jon Christiansen Transport AS
VTA-overenskomsten
Viuno AS
Bedrifter med trekkavtale:
Brødr Iversby AS
Avd. Blikkenslager
Fasvo AS
Geo Fundamentering & Bergboring AS
avd. Fredrikstad
Gummiservice
Produksjon AS
Lasse Holst AS
Låssenteret AS
avd. Fredrikstad
Metallco Kabel AS
Minibuss 24-7 AS
Selbak Rør AS
Skade og Lakk AS
Stålbygg AS
