Norfolk Group Ltd. provides integrated engineering services. It offers integrated electrical, communications, heating, ventilation and air conditioning, fire protection and property services in Australia, New Zealand and Vietnam. The company operates through four segments: ODG HADEN Construction, ODG HADEN Maintenance, Resolve FM and Corporate Services. The ODG HADEN Construction segment provides electrical and communications engineering solutions. The ODG HADEN Maintenance segment provides delivers air conditioning and mechanical engineering services. The Resolve FM segment offers a range of services including integrated facilities management. The Corporate Services segment provides corporate services to the three divisions. The company is headquartered in North Sydney, Australia.