Helping drive the growth was the mining, quarrying and oil and gas extraction sector which rose 0.9 per cent.
$8 billion on staff and contractors, $4 billion on software/hardware, $2 billion on other measures.
Growth came as sales in 11 of 21 industries climbed higher.
Economy rocketed to an annualized pace of 2.9 per cent in the period from April 1 through June 30.
Construction materials show strength, automotive and supplies fall.