Istad group revenue and operating income by subsidiary:REVENUE 01.01-31.12(NOK mln) 2007 2006Istad AS (parent company) 15.9 14.1Istad Nett AS (distribution) 163.1 199.5Istad Kraft AS (generation and sales) 271.5 360.8Istad Energimontasje AS (construction) 90.2