Pers Utemiljø As - Halden

Velde Asfalt AS - Avdeling Halden - Berg i Østfold

Rikelektro AS - Berg i Østfold

Hansen & Dahl AS - Halden

Strand Maskinentreprenør AS -

Byggmester Magne Holt AS - Halden

Olaf Hansens eftf AS - Halden

Nitral Cds AS - Berg i Østfold

Byggmester Roer AS - Halden

Solid entreprenør AS - Rolvsøy