Brock Plaster aka Brock Building Systems — Australia · Commonwealth contract register · Supplier record: 4 contracts, all years (A$95,187 · Jun 2022 – Dec 2025); A$57.5K since January 2024 (3 contracts · 1 agency); 13th rank in the line (of 37 suppliers · 1.94%); 11 agencies never served (A$1.8M on the line without Brock Plaster aka Brock Building Systems).
Assay record ASY-AU-0360I0R1YP · Cite as: Assay Systems, “Brock Plaster aka Brock Building Systems in the AusTender register”, https://assay-systems.com/register/au/brock-plaster-aka-brock-building-systems/
4
contracts, all years
A$95,187 · Jun 2022 – Dec 2025
A$57.5K
since January 2024
3 contracts · 1 agency
13th
rank in the line
of 37 suppliers · 1.94%
11
agencies never served
A$1.8M on the line without Brock Plaster aka Brock Building Systems
Own record by year
2022 onward
A$37.7K
A$35.0K
A$22.5K
20222023202420252026
Who buys from Brock Plaster aka Brock Building Systems
since January 2024
1agencies
A$57.5Kpaid
100.0%top buyer
Department of Climate Change, Energy, the Environment and Water100.0%
A$57,485
Before 2024 only: Department of Agriculture, Fisheries and Forestry.
The line
since January 2024
A$1.8Mline value
46contracts
12agencies
37suppliers
66.1%held by top ten
Interior finishing materials (30160000)
A$1.0M
A$442K
A$343K
202420252026Jan–Sep
13thof 37 suppliers
A$35,000Brock Plaster aka Brock Building Systems in the line
1.94%share of the line
75.8%of A$46,154 spent by Department of Climate Change, Energy, the Environment and Water
Agencies that buy the line and never bought from Brock Plaster aka Brock Building Systems
11agencies
44contracts
A$1,753,555since January 2024
Department of Defence27 contracts
A$1,017,891
Department of Infrastructure, Transport, Regional Development, Communications and the Arts4 contracts
A$216,521
Administrative Review Tribunal2 contracts
A$213,319
Department of Foreign Affairs and Trade3 contracts
A$84,431
Department of Industry, Science and Resources2 contracts
A$63,800
Great Barrier Reef Marine Park Authority1 contract
A$55,000
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts1 contract
A$28,411
Department of Finance1 contract
A$25,830
Australian Signals Directorate1 contract
A$20,026
Australian Federal Police1 contract
A$17,314
Department of Parliamentary Services1 contract
A$11,013
How the line is bought
by value, since 2024
97%limited tender
0of these to Brock Plaster aka Brock Building Systems
Limited tender, no open approach to market44 contracts
A$1,738,879 · 96.6%
Open tender2 contracts
A$60,830 · 3.4%
Contracts reaching their end dates
Oct 2026 – October 2027
3contracts
A$79,010end by October 2027
3in agencies never served · A$79.0K
A$41.9K
A$19.8K
A$17.3K
Oct 261 contractNov 261 contractFeb 271 contract
The extract
Every buying office, every contract holder, value, number and end date behind the figures above.
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.