The company made a profit of A$119.8 million (US$107.6 million) for the half-year to December 2013, compared to A$165.9 million in the half-year to December 2012.
Hydrocarbon revenues were flat for the half-year, while growth in the chemicals business was partially offset by weakness in minerals and metals.
Infrastructure revenue was lower because of softened demand in Australia and Europe.
Hydrocarbon revenue made up 72% of the company’s total revenue.
WorleyParsons