Challenge Process Flow provides practical, quality focused engineering, construction and commissioning solutions to industry in New Zealand and Australia. Through its outstanding reputation for delivery

Challenge Project Support are an experienced consulting firm that provide independent strategic advice on project delivery, project costs, risk and asset valuations across the infrastructure

Challenge Hall Contracting is Australia’s largest privately owned dredging, civil and marine construction company with offices in South East Asia, the Pacific Islands and Australia.

Challenge Brightwater Engineering is widely recognised as a leading innovative engineering solutions provider to Australasia’s Resources, Industrial Energy, Quarry & Minerals sectors. After securing a