Hallgruppen AS - Frogner

Enviro Entreprenør AS - Oslo

Øystein Aarsand - Skedsmokorset

Viken og Oslo Anlegg AS - Lillestrøm

Indus Norge AS - Frogner

Funksjonsprodukter - Drøbak

Husaria - Frogner

Brendemo Anlegg - Frogner

Ask Entreprenør AS - Oslo

FAGENTREPRENØREN AS - Oslo