GRYTNES IT
Baggerodgata 29
3182 Horten
NORWAY
phone. +47 91580597
email: Hans.Cato.Grytnes(a)gmail,com
Org.#: 996 760 308 MVA
( F.o.m. 2018: Enk.m.foretaket er oppløst grunnet 100% stilling i Norsk Hydro )