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Accreditations / Memberships


The Ostojic Groups accreditations demonstrate commitment and dedication to providing quality service across northern Australia.


AS/NZS4801 Certified


National Heavy Vehicle Accreditation


Western Australian Heavy Haulage Accreditation Scheme

Contractor Accreditation Limited


FSC Approved



The Ostojic Group belongs to the following organisations looking to promote stronger business and industry ties across northern Australia.


Civil Contractors Federation of the Northern Territory


Chamber Of Commerce Northern Territory



Australian Industry Defence Network


NT Road Transport Association


Extractive Industry Association