Top water & sanitation suppliers to government in New South Wales

1,202 awarded contracts, $1.7B in total

Ranked by contract value

1. State Street Australia Ltd1 contract · $430.9M
2. Perpetual Corporate Trust Limited5 contracts · $197.7M
3. GHD pty ltd23 contracts · $103.2M
4. Haslin Constructions Pty Limited1 contract · $52.7M
5. Sydney Water Corporation31 contracts · $41.4M
6. DIONA Pty Ltd1 contract · $35.3M
7. Enviropacific Services Ltd3 contracts · $34.2M
8. HUNTER WATER CORPORATION19 contracts · $24.3M
9. DT Salvestro & KA Salvestro1 contract · $22.1M
10. Leed Engineering and Construction1 contract · $21.7M
11. Zantta Family Pty Ltd1 contract · $21.6M
12. Coolibah Water Group Pty Ltd3 contracts · $21.5M
13. NM Melbourne Holdings Pty Limited6 contracts · $20.4M
14. NW Melbourne2 contracts · $17.0M
15. WATER NSW1 contract · $16.3M
16. Aurecon2 contracts · $15.8M
17. DKS Management Pty Ltd1 contract · $15.7M
18. Broadwater Bullarah Pty Ltd1 contract · $15.7M
19. GREGORY THOMAS CONNELLAN, RICHARD ANTHONY CONNELLAN, PAUL FRANCIS CONNELLAN, MARY MARGARET CONNELLAN, DAMIAN JOHN CONNELLAN, DESMOND BERNARD CONNELLAN and ANDREW MICHAEL CONNELLAN1 contract · $15.1M
20. Pieter Mayne4 contracts · $14.9M
21. Department of Water and Energy (NSW)4 contracts · $13.0M
22. Evanlijac Pty Ltd ATF Evanlijac Trust1 contract · $12.8M
23. COLIN JOSS & CO PTY LTD2 contracts · $12.5M
24. OPEC Systems Pty Ltd1 contract · $12.5M
25. JN Phelps6 contracts · $12.0M
26. Baseline Projects1 contract · $11.6M
27. Shoalhaven City Council10 contracts · $10.6M
28. Windella Water Holding Pty Ltd1 contract · $9.5M
29. Dept of Climate Change5 contracts · $9.4M
30. Hamblin Pastoral Co Pty Ltd1 contract · $9.4M
31. DEFENCE MAINTENANCE MANAGEMENT47 contracts · $9.4M
32. P&H Sergi Investments Pty Ltd1 contract · $9.0M
33. BMD Urban1 contract · $8.7M
34. B J Whelan1 contract · $8.2M
35. NK Thompson & PJ Thompson2 contracts · $8.2M
36. JIRGENS CONTRACTING PTY LIMITED15 contracts · $8.2M
37. W and P Booth4 contracts · $8.1M
38. Thales Australia Limited20 contracts · $8.1M
39. Quay Civil Pty Ltd1 contract · $7.9M
40. Dennis Murray GLEESON2 contracts · $7.5M
41. David John and Diana Cross1 contract · $7.4M
42. Joseph Lanteri Pty Ltd1 contract · $7.3M
43. DKS Family Super Pty Ltd1 contract · $7.3M
44. D John and D Cross1 contract · $6.7M
45. RIVERINA WATER11 contracts · $6.7M
46. Coffs Harbour City Council2 contracts · $6.3M
47. Ventia Australia Pty Ltd.6 contracts · $6.1M
48. Salvestro Water Company Pty Ltd1 contract · $6.0M
49. Michael Lanteri Pty Ltd1 contract · $5.9M
50. Dye Stonnill Nominees Pty Ltd2 contracts · $5.8M

Who buys water & sanitation in New South Wales

Department of Climate Change, Energy, the Environment and Water295 contracts · $1.1B
Department of Defence366 contracts · $202.2M
Department of Foreign Affairs and Trade - Australian Aid Program37 contracts · $102.0M
NSW Public Works15 contracts · $99.4M
DCCEEW - Water Group9 contracts · $41.2M
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts30 contracts · $17.3M
Murray-Darling Basin Authority25 contracts · $14.9M
Sydney Olympic Park Authority6 contracts · $9.8M
Water Group3 contracts · $9.2M
Transport for NSW (Transport Infrastructure Projects)5 contracts · $8.6M

Recently awarded water & sanitation contracts in New South Wales

Purchase of Water from Raymond Edward Clarke by the Department of Climate Change, Energy, the Environment and WaterRaymond Edward Clarke · Department of Climate Change, Energy, the Environment and Water · $2.8M · 21 Sep 2026
Water Purchased from R & K Morrison Farming Pty Ltd by the Department of Climate Change, Energy, the Environment and WaterR & K Morrison Farming Pty Ltd · Department of Climate Change, Energy, the Environment and Water · $3.6M · 21 Sep 2026
Water Purchase awarded to Clint Badoco by the Department of Climate Change, Energy, the Environment and WaterClint Badoco · Department of Climate Change, Energy, the Environment and Water · $179K · 16 Sep 2026
Conductivity Meter Upgrade awarded to ABB AUSTRALIA PTY LTD for Royal Australian MintABB AUSTRALIA PTY LTD · Royal Australian Mint · $18K · 26 Aug 2026
Purchase of Water from Michael Keith & Marcia Anne MCBURNIE by Department of Climate Change, Energy, the Environment and WaterMichael Keith & Marcia Anne MCBURNIE · Department of Climate Change, Energy, the Environment and Water · $763K · 9 Sep 2026
Purchase of Water from Dennis Murray GLEESON by Department of Climate Change, Energy, the Environment and WaterDennis Murray GLEESON · Department of Climate Change, Energy, the Environment and Water · $6.0M · 8 Sep 2026
Purchase of Water by the Department of Climate Change, Energy, the Environment and Water from Dennis Murray GLEESONDennis Murray GLEESON · Department of Climate Change, Energy, the Environment and Water · $1.4M · 4 Sep 2026
Purchase of Water from James Francis LAWTON by Department of Climate Change, Energy, the Environment and WaterJames Francis LAWTON · Department of Climate Change, Energy, the Environment and Water · $1.1M · 27 Aug 2026
Provision of Pumping and Other Arrangements to Department of Climate Change, Energy, the Environment and WaterDept of Climate Change, Energy, the Environment & Water · Department of Climate Change, Energy, the Environment and Water · $195K · 6 Aug 2026
2026–27 Costs to Facilitate Delivery of Murrumbidgee Commonwealth Environmental WaterDept of Climate Change, Energy, the Environment & Water · Department of Climate Change, Energy, the Environment and Water · $583K · 1 Jul 2026

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