Top water & sanitation suppliers to government in Northern Territory

1,022 awarded contracts, $1.1B in total

Ranked by contract value

1. Exact Contracting Pty Ltd5 contracts · $160.8M
2. McMahon Services Australia10 contracts · $133.3M
3. Mousellis And Sons Pty Ltd28 contracts · $42.6M
4. Sth Holdings Qld Pty Ltd as Trustee for The Heaton Family Trust10 contracts · $40.7M
5. Fred NT Pty Ltd24 contracts · $38.3M
6. Power and Water Corporation5 contracts · $37.9M
7. NCP Contracting8 contracts · $23.1M
8. ALAWA PLUMBING PTY LTD5 contracts · $21.4M
9. JN Mousellis Civil Contractors Pty Ltd as Trustee for the JN Mousellis Family Trust18 contracts · $21.0M
10. BMD Urban7 contracts · $19.8M
11. ALTO VALVES & FITTINGS PTY LTD8 contracts · $19.8M
12. ASPLUM PTY LTD10 contracts · $16.1M
13. BMD Constructions1 contract · $14.1M
14. Fletcher’s Plumbing & Gas Fitting Pty Ltd9 contracts · $13.5M
15. Sitzler1 contract · $12.6M
16. Brash (NT) Pty Ltd as The Trustee for The Brian Curran Family Trust6 contracts · $12.2M
17. Auskron Pty Ltd4 contracts · $11.5M
18. AKJ Services1 contract · $10.4M
19. SMEC Australia Pty Ltd.4 contracts · $10.2M
20. John Holland1 contract · $10.1M
21. DTA Contractors Pty Ltd2 contracts · $10.0M
22. Ventia Australia Pty Ltd.1 contract · $9.6M
23. Ribshire Pty Ltd4 contracts · $9.5M
24. Ixom Operations P/L3 contracts · $9.3M
25. Delta Corporation Limited3 contracts · $8.9M
26. Halliburton Australia Pty Ltd1 contract · $8.8M
27. Silver City Drilling Pty Ltd8 contracts · $8.7M
28. Rob Carr1 contract · $7.1M
29. Power & Water Authority12 contracts · $7.1M
30. RMG Project Management Pty Ltd2 contracts · $7.1M
31. Macentee Investments Pty Ltd3 contracts · $6.6M
32. Yingwati3 contracts · $6.5M
33. Wolpers Grahl Pty Ltd1 contract · $6.1M
34. CLEAN TEQ WATER OPERATIONS PTY LTD1 contract · $5.8M
35. AA Essential Services Pty Ltd ATF AA Essential Services Trust3 contracts · $5.8M
36. Scatt's Plumbing Services Pty Ltd18 contracts · $5.7M
37. JR Scattini Pty Ltd2 contracts · $5.3M
38. N V BARRETT EARTHMOVING PTY LTD4 contracts · $5.2M
39. Pipeline Renovations Pty Ltd2 contracts · $5.1M
40. Duratec Limited3 contracts · $4.9M
41. NTEX1 contract · $4.9M
42. AHG BUILDING CONTRACTORS PTY LTD1 contract · $4.8M
43. DJN PROJECT SERVICES PTY LTD2 contracts · $4.8M
44. Ribshire Pty Ltd trading as Goodline and Degremont Pty Ltd1 contract · $4.7M
45. Ross Engineering Pty Ltd2 contracts · $4.6M
46. OSD Asset Services Pty Ltd1 contract · $4.1M
47. MUGAVIN CONTRACTING PTY. LTD.5 contracts · $4.0M
48. TOMLIN DRILLING PTY LTD14 contracts · $3.8M
49. Parkreef Holdings Pty ltd2 contracts · $3.8M
50. Central Desert Regional Council1 contract · $3.8M

Who buys water & sanitation in Northern Territory

Power and Water Corporation577 contracts · $731.1M
Department of Mining and Energy17 contracts · $105.8M
Department of Defence59 contracts · $77.8M
Department of Infrastructure, Planning and Logistics136 contracts · $61.9M
Department of Logistics and Infrastructure30 contracts · $40.8M
Department of Infrastructure62 contracts · $20.4M
Department of Environment, Parks and Water Security15 contracts · $3.5M
Department of Climate Change, Energy, the Environment and Water5 contracts · $3.1M
Department of Industry, Tourism and Trade4 contracts · $2.0M
Director of National Parks4 contracts · $1.6M

Recently awarded water & sanitation contracts in Northern Territory

Plumbing Services Awarded to MORRISON, JACK EDWARD Jem Plumbing & Gas Fitting Services by Department of DefenceMORRISON, JACK EDWARD Jem Plumbing & Gas Fitting Services · Department of Defence · $11K · 29 Jun 2026
Yulara — Collection and Organisation of Water and Sewer Samples for Quality and Compliance (36-Month Contract) Awarded to Norvast (NT) Pty LtdNorvast (NT) Pty Ltd · Power and Water Corporation · $284K · 1 Sep 2026
Decommissioned and Installed Water Tanks and Ancillary Works at BarungaDuratec Limited · Power and Water Corporation · $3.9M · 21 Aug 2026
Construction of an in-situ concrete sump at McMinns Water Storage Facility (contract awarded to Wombarra Civil Construction Pty Ltd)Wombarra Civil Construction Pty Ltd · Power and Water Corporation · $499K · 10 Aug 2026
Provision of Repairs and Maintenance for General Plumbing Services and Equipment to NT Government Assets in the Greater Darwin Region (36-Month Contract)AHG Building Contractors Pty Ltd · Department of Logistics and Infrastructure · $4.8M · 28 Jul 2026
Collection and Organisation of Water and Sewer Samples in Tennant Creek — 36‑Month Contract Awarded to Brash (NT) Pty Ltd ATF The Brian Curran Family TrustBrash (NT) Pty Ltd ATF The Brian Curran Family Trust · Power and Water Corporation · $296K · 20 Jul 2026
Replacement of Water Mains at Parkside Crescent and Saddle Court, DarwinMousellis and Sons Pty Ltd · Power and Water Corporation · $837K · 2 Jul 2026
Refurbishment of Sewer Access Chambers in Darwin for Power and Water Corporation (2026)MCROBERT CONTRACTING SERVICES PTY LTD · Power and Water Corporation · $214K · 26 Jun 2026
Repairs and Maintenance of Four Gauge Stations on the East Branch of the Finniss River (Rum Jungle) — 24‑Month Contract Awarded to TROP WATER PTY LTDTROP WATER PTY LTD · Department of Mining and Energy · $81K · 29 Jun 2026
Design and Construction of Flowmeters and Injection Points for Darwin River DamExact Contracting Pty Ltd · Power and Water Corporation · $1.9M · 25 Jun 2026

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