Toll says strength in resources activity and Toll's ability to win new contracts have offset weakness in the retail and industrial sectors.

Energy producer and retailer Origin Energy posts a first half net profit of $794 million compared to a $136m loss for the previous corresponding period.

Online jobs firm SEEK has posted record first half profit of $60.6 million due to growth in Australian employment and its Chinese and education businesses.

Beverages supplier Coca-Cola Amatil (CCA) says boosting investments in Indonesia and Papua New Guinea will be a high priority in 2012.