Resolute Mining has lifted its underlying profits by 28 per cent during the 2010 financial year to $36 million but still recorded a loss of $56.6 million.
Centro Retail Group, which owns 19 shopping centres in WA, has returned to profitability due to more stable property valuations for its shopping centres in Australia and the United States.
Gold producer Troy Resources has announced a loss of $6.7 million for 2010 compared to a profit of $16.7 million in 2009, as the company focuses on the development of its new mine in Argentina.
The decision by Perth oil and gas producer Tap Oil to relinquish an offshore exploration permit in the Philippines has seen the company record an $18 million loss.
Two Tony Sage-led companies African Petroleum and International Petroleum are to de-list from the Australian Securities Exchange and trade solely on the Newcastle Stock Exchange.
The owner of the state's gas and electricity retail business, Alinta Energy, has recorded a $577 million loss after tax for the 2010 financial year, mainly due to a full year impairment charge of $670 million.
US company Monsanto, best known for developing genetically engineered seed, has taken a 20 per cent minority interest in WA-based cereal breeding company InterGrain.
Burswood Casino owner Crown has returned positive results for the year despite its Melbourne and Burswood operations being adversely impacted by renovation work and negative consumer sentiment.
Troubled property developer Port Bouvard has blamed cancelling the acquisition of land at Gidgegannup for a $26 million net loss after tax for the 2010 financial year.
Jolimont-based Hire Intelligence International has posted a $1 million profit for the 2010 financial year, down from $1.3 million for the previous corresponding period.