Biggest exporters 2017

SPECIAL REPORT: Roy Hill Holdings and Chevon have joined the likes of Rio Tinto, BHP, Woodside and CBH Group in an updated ranking of WA's largest exporters in the BNiQ Search Engine.

SPECIAL REPORT: Ten lithium projects under construction or in advanced planning to bring new lithium supply onto the market will dramatically boost exports of the commodity in coming years.

SPECIAL REPORT: Mitsui & Company, Shell and Itochu Corporation are among a swag of businesses that have made substantial investments in the state's exporting industries over the decades, showing that foreign investors can contribute without directly operating assets.