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HALVORSEN PUKK OG TRANSPORT AS

NORWEGIAN AGGREGATES AS

GRONG GRUS OG MASKIN AS

RAMLO SANDTAK AS

ALF VENNATRØ & SØNN AS

KÅRE RINGSETH AS

LAUVÅSEN PUKK AS

JORDET GRUSTAK AS

MARDAHL PUKK AS

OLLE MICHELSEN AS

HEMBRE GRUS AS

LONA MASKIN AS

MOSLET GRUSTAK AS

TUNNSJØ MASKIN & TRANSPORT AS

TORE GUDDINGSMO GRUS AS

VIKAUNE FABRIKKER AS

VERDALSKALK AS

RAMLO TRANSPORT AS