Australia · Commonwealth contract register · Supplier record

CASTROL AUST PTY LTD

Line: Lubricants and oils and greases and anti corrosives (15120000)Register loaded to September 2026Compiled 16 October 2026

CASTROL AUST PTY LTD — Australia · Commonwealth contract register · Supplier record: 37 contracts, all years (A$2,395,356 · Sep 2025 – Sep 2026); A$2.4M since January 2024 (37 contracts · 1 agency); 7th rank in the line (of 48 suppliers · 7.04%); 3 agencies never served (A$1.8M on the line without CASTROL AUST PTY LTD).

Assay record ASY-AU-0FJGNIH1SP · Cite as: Assay Systems, “CASTROL AUST PTY LTD: 37 government contracts in Australia since 2024”, https://assay-systems.com/register/au/castrol-aust-pty-ltd/

37
contracts, all years
A$2,395,356 · Sep 2025 – Sep 2026
A$2.4M
since January 2024
37 contracts · 1 agency
7th
rank in the line
of 48 suppliers · 7.04%
3
agencies never served
A$1.8M on the line without CASTROL AUST PTY LTD

Own record by year

2025 onward
A$380K
A$2.0M
20252026

Who buys from CASTROL AUST PTY LTD

since January 2024
1agencies
A$2.4Mpaid
100.0%top buyer
Department of Defence100.0%
A$2,395,356

Won without a rival

2025-09-10 – 2026-09-03
5uncontested awards
14%of its awards
5without a competition
0single bid

CASTROL AUST PTY LTD won 5 of its 37 public contract awards in Australia without a rival from 2025-09-10 to 2026-09-03: 5 without a competition and 0 after a competition that drew a single bid. 1 buyer awarded it without a rival, the largest Department of Defence with 5.

Buyers: Department of Defence (5)

Every uncontested award of CASTROL AUST PTY LTD · Australia: all uncontested awards

The line

since January 2024
A$34.0Mline value
776contracts
4agencies
48suppliers
84.2%held by top ten

Lubricants and oils and greases and anti corrosives (15120000)

A$10.1M
A$12.8M
A$11.1M
202420252026Jan–Sep
7thof 48 suppliers
A$2,395,356CASTROL AUST PTY LTD in the line
7.04%share of the line
7.4%of A$32,287,411 spent by Department of Defence

Agencies that buy the line and never bought from CASTROL AUST PTY LTD

3agencies
11contracts
A$1,756,365since January 2024
Department of Climate Change, Energy, the Environment and Water5 contracts
A$982,301
Department of Infrastructure, Transport, Regional Development, Communications and the Arts4 contracts
A$651,529
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts2 contracts
A$122,535

How the line is bought

by value, since 2024
41%limited tender
0of these to CASTROL AUST PTY LTD
Open tender481 contracts
A$20,094,231 · 59.0%
Limited tender, no open approach to market295 contracts
A$13,949,545 · 41.0%

Contracts reaching their end dates

Oct 2026 – October 2027
31contracts
A$3,260,550end by October 2027
7end in February 2027 · A$739K
2in agencies never served · A$283K
A$364K
A$151K
A$34.5K
A$170K
A$739K
A$629K
A$615K
A$558K
Oct 265 contractsNov 264 contractsDec 262 contractsJan 273 contractsFeb 277 contractsMar 271 contractApr 275 contractsJun 274 contracts

Suppliers next to it in the line

since January 2024
INTERCHEM PTY LTD120 contracts · 1 agency
A$2,879,939
AVIATION FLUIDS SUPPLY PTY LTD76 contracts · 1 agency
A$2,879,537
PENSKE AUSTRALIA PTY LTD26 contracts · 1 agency
A$2,583,932
CASTROL AUST PTY LTD
A$2,395,356

All 48 suppliers in the line

Fastest-growing supplier in the line

same line
+169%growth

89000030437

2024 to Sep 2026
A$8,547,998
2022–2023
A$3,172,400

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

Request extractSee a sample extract

Source: AusTender Contract Notice Export, Department of Finance, Commonwealth of Australia, via data.gov.au, licensed under Creative Commons Attribution 3.0 Australia; accessed 25 September 2026.Assay Systems has changed the data.