Head office:
Address: Strømsveien 223
Postal address: P.O.Box 95 Alnabru, NO-0614 Oslo
Telephone: +47 23 06 99 00
(switchboard is serviced between the hours of 8am - 4pm, monday - friday)
Fax: +47 23 06 99 10
Email: tb-gruppen@tb-gruppen.no