Kolsen Pty Ltd

Business Profile

Kolsen has been established since 1985 and is one of the largest local employers in the Northern Territory, operating across facilities, electrical and industrial service streams. Headquartered in Darwin with branches in Katherine and Alice Springs, our teams are deployed across the Territory. Our 400+ local workforce includes tradespeople, technicians, compliance and administration personnel, and management, across our operating businesses Sterling NT, Espec, Regional Asset Maintenance Services; and Switchboard and Power Controls. The Kolsen businesses operate independently of each other but often collaborate to deliver integrated services to shared clients or sites. We specialise in operating in hazardous areas and high security work environments, such as LNG plants, mine sites and Defence bases, as well as public spaces and road networks. Our people are supported by ISO certified management systems and comprehensive ongoing training.

Products and Services

  • Facilities Maintenance - landscaping, grounds maintenance and commercial cleaning
  • Electrical - HV, EEHA, solar and maintenance
  • Industrial Services - maintenance, mechanical, electrical and civil projects, campaigns
  • NATA and Department of Defence accredited testing facilities and mechanical workshop enable us to complete hyperbaric and hydrostatic testing, calibration and repairs locally in Darwin

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Contact Details

Unit 10
66 Coonawarra Road

Winnellie NT 0820
ABN  22636655037
+61 8 8942 7222
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Sterling NT is a 100% locally owned and operated company that has been established in the Northern Territory for 31 years. Sterling NT offers a full suite of facility maintenance, general construction and civil services to Northern Territory Government, Defence and commercial clients. Sterling NT is committed to the safety of our people, the community and the environment we operate in, while maintaining our high quality standards across our day to day operations. Our management systems are accredited for ISO9001, ISO14001 and ASNZ4801.
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