Supplier · Infrastructure, Water & Sanitation, Construction

JN Mousellis Civil Contractors Pty Ltd as Trustee for the JN Mousellis Family Trust

Won in the last 12 months$2.6M▼ 53% on the year beforeValue won per quarter, last three years

Contracts on record44$34M in total

Running now0Latest win Feb 2026

Next contract endingNone dueNo contracts ending in the next three years

Biggest buyerDepartment of Infrastructure, Planning and Logistics44% of their value

44contractssince 2013

$33.6Mwon in totallatest Feb 2026

$230Ktypical contractmost $101K to $710K

$2.6Mlast 12 monthsdown from $5.6M

0active now

Biggest buyerDepartment of Infrastructure, Planning and Logistics16 contracts · $15M · 44% of value

What they do

JN Mousellis Civil Contractors Pty Ltd as Trustee for the JN Mousellis Family Trust supplies civil infrastructure works, mainly water and sewer mains, rising mains, irrigation and fire services, and power feeder replacement.

Who buys from them

Its largest buyers are the Department of Infrastructure, Planning and Logistics with 16 contracts, Power and Water Corporation with 15, and the Department of Infrastructure with 8. It has 5 buyers.

Contract size

Contracts usually fall between $101K and $710K, with a median of $230K. Its largest are sewer remediation works in Jabiru at $12.5M for the Department of Infrastructure, Planning and Logistics and Jabiru 11kV Town Feeder B replacement at $2.7M for Power and Water Corporation.

Recent activity

In the last 12 months it won 2 contracts worth $2.6M, including a potable water main on Woods Street, Darwin. The latest award was Feb 2026.

Built from awarded contracts on record

What they win

How much they win each year, the size of a typical contract, and every contract on record.

Contract history

Replaced Jabiru 11kV Town Feeder B (11JA02) from Jabiru Zone Substation SW5191 to Jabiru Switching Kiosk 2 SW5025Infrastructure$2.7M Construction of Potable Water Main on Woods Street, DarwinWater & Sanitation$1.3M04/02/2026 Construction of New Potable Water Main on Woods Street, DarwinWater & Sanitation$1.3M04/02/2026 Replacement of Jabiru 11kV Town Feeder B by JN Mousellis Civil ContractorsInfrastructure$2.7M26/09/2025 Installed New Water Service at Casuarina Coastal Reserve, DarwinWater & Sanitation$101K19/02/2025 Sewer Remediation Works in Jabiru, Top End RegionWater & Sanitation$12.5M15/02/2024 Provision of Water and Sewer Services for 3-Lot Subdivision in PalmerstonWater & Sanitation$274K07/11/2023 Realignment of Water Services on Darwin-Stuart Highway South of Cox Peninsula RoadInfrastructure$104K03/11/2023 Sewer Mainline Replacement on Poinciana Street, Darwin RegionWater & Sanitation$307K14/04/2023 Servicing of 4 Lots in Bellamack, Darwin Region by JN Mousellis Civil ContractorsInfrastructure$89K25/01/2023

Who they win it from

Their biggest government buyers and how much of their work each one is.

About them

Company details, where they work and the names they trade under.

Also traded asJN Mousellis Civil Contractors, JN MOUSELLIS CIVIL CONTRACTORS, JN Mousellis Civil Contractors as the Trustee of the JN Mousellis Family Trust, JN Mousellis Civil Contractors Pty Ltd, JN Mousellis Civil Contractors Pty Ltd as the Trustee for JN Mousellis Family Trust, JN Mousellis Civil Contractors Pty Ltd as The Trustee for JN Mousellis Family Trust, JN Mousellis Civil Contractors Pty Ltd as The Trustee for JN Mousellus Family Trust, JN Mousellis Civil Contractors Pty Ltd as trustee for the JN Mousellis Family Trust, JN Mousellis Civil Contractors Pty Ltd as Trustee for the JN Mousellis Family Trust, JN Mousellis Civil Contractors Pty Ltd as Trustee for the JN Mousllis Family Trust, JN Mousellis Family Trust, JN Mousellis Pty Ltd as The Trustee for JN Mousellis Family Trust

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Open tenders that match their work

Cannon Valley Network Reconfiguration – 450m 300 DN Water Main and Stormwater Works (Parker Road)Closes 16 NovWater & Sanitation Whyanbeel Water Main Replacement — Design and Construction on Karnak Road and Whyanbeel RoadCloses 2 DecWater & Sanitation Water and Wastewater Condition Assessment – Douglas Shire Council (Post‑Tropical Cyclone Jasper)Closes 3 DecWater & Sanitation Irrigation Upgrades at Larrakia Soccer Stadium, Marrara — DarwinCloses 23 NovInfrastructure Design and Construction of Stormwater Drainage Upgrades – Baxter Road & Botany Lane, MascotCloses 11 DecWater & Sanitation Design and Construction of Butler Bay Sewage Rising Main Replacement – Palm IslandCloses 4 DecWater & Sanitation Replacement of Water Trunk Mains – Lithgow City Council (Closes 16 Nov 2026)Closes 16 NovWater & Sanitation Civil and Landscape Infrastructure for Muirhead North Stages 1B, 1C & 2, Lee Point NTCloses 8 JanInfrastructure Design and Construct Russell Island Public Amenities, On-site Sewage Treatment and Community Space – 22 High StreetCloses 7 DecWater & Sanitation Water Reticulation Installation and Old Main Decommissioning for 55-Allotment Ramsay Terrace Subdivision, BordertownCloses 24 NovWater & Sanitation Construction of Accessible Public Amenities and Associated Works – Owen Jenkins Park, Sarina BeachCloses 3 DecConstruction Mildura Landfill Pre‑Truck Wash Sewer Works – Pump Station, Sewer Line and Electrical InstallationCloses 8 DecWater & Sanitation

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