About Core Developments NQ is headquartered in Townsville and has operations across the Civil, Construction, Demolition and Property Maintenance industries and Mining. Mission “Sustainable growth through the provision of superior customer service solutions, satisfying the construction, demolition and maintenance requirements of Queensland’s key facilities.” Description Core Developments offers competitive construction, Demolition and Property maintenance services across the commercial, industrial and mining sectors. In addition Core Developments NQ offer highly tailored services to a variety of industries where continuation of operations and public security and interaction is paramount.