▁other ▁engine ers ▁and ▁computer ▁personnel , ▁with ▁the ▁focus ▁on ▁the ▁technical ▁details . ▁This ▁changed ▁in ▁the ▁mid - 1 9 7 0 s ▁when ▁the ▁company ▁started ▁s elling ▁computers ▁to ▁the ▁business ▁sector , ▁where ▁the ▁customer ▁represent atives ▁typically ▁were ▁heads ▁of ▁the ▁account ing ▁or ▁w are house ▁depart ments . ▁These ▁instead ▁expected ▁suit - d ress ed ▁sales men ▁and ▁were ▁interested ▁in ▁issues ▁regarding ▁efficiency ▁and ▁reli ability . ▁Prof its , ▁and ▁the ▁profit - based ▁bon uses , ▁s ank ▁through ▁these ▁years , ▁giving ▁an ▁in cent ive ▁for ▁technical ▁personnel ▁to ▁give ▁market ing ▁increased ▁importance . ▁ ▁The ▁first ▁sale ▁in ▁Sweden ▁was ▁to ▁A SE A - At om ▁in ▁ 1 9 7 4 ▁to ▁control ▁nuclear ▁power ▁plants . ▁A ▁Swedish ▁subs idi ary ▁was ▁established ▁the ▁following ▁year . ▁Because ▁of ▁the ▁propriet ary ▁system ▁architecture ▁of ▁each ▁manufact urer , ▁companies ▁would ▁fall ▁into ▁a ▁vendor ▁lock - in ; ▁therefore ▁purchase ▁of ▁computer ▁systems ▁were ▁often ▁more ▁of ▁a ▁strateg ic ▁than ▁product - specific ▁purchase . ▁An ▁important ▁aspect ▁for ▁N D ▁was ▁therefore ▁to ▁conv ince ▁their ▁potential ▁customers ▁that ▁they ▁would ▁be ▁able ▁to ▁deliver ▁in ▁the ▁long ▁run . ▁ ▁Sin tr an ▁II ▁VS ▁and ▁the ▁Nord - 5 0 ▁were ▁released ▁in ▁ 1 9 7 5 . ▁The ▁following ▁year ▁the ▁company ▁had ▁a ▁re venue ▁of ▁N OK   8 1 ▁million , ▁N OK