Tarwonga Pty Ltd — Australia · Commonwealth contract register · Supplier record: 3 contracts, all years (A$467,760 · Jul 2023 – Jul 2025); A$259K since January 2024 (2 contracts · 1 agency); 133rd rank in the line (of 177 suppliers · 0.03%); 1 agencies never served (A$43.0K on the line without Tarwonga Pty Ltd).
Assay record ASY-AU-0Q7S2661EP · Cite as: Assay Systems, “Tarwonga Pty Ltd in the AusTender register”, https://assay-systems.com/register/au/tarwonga-pty-ltd/
3
contracts, all years
A$467,760 · Jul 2023 – Jul 2025
A$259K
since January 2024
2 contracts · 1 agency
133rd
rank in the line
of 177 suppliers · 0.03%
1
agencies never served
A$43.0K on the line without Tarwonga Pty Ltd
Own record by year
2023 onward
A$209K
A$259K
2023202420252026
Who buys from Tarwonga Pty Ltd
since January 2024
1agencies
A$259Kpaid
100.0%top buyer
Grains Research and Development Corporation100.0%
A$258,760
The line
since January 2024
A$790Mline value
484contracts
2agencies
177suppliers
61.2%held by top ten
Crop production and management and protection (70140000)
A$343M
A$312M
A$135M
202420252026Jan–Sep
133rdof 177 suppliers
A$258,760Tarwonga Pty Ltd in the line
0.03%share of the line
0.0%of A$790,287,594 spent by Grains Research and Development Corporation
Agencies that buy the line and never bought from Tarwonga Pty Ltd
1agencies
2contracts
A$43,000since January 2024
Department of Agriculture, Fisheries and Forestry2 contracts
A$43,000
How the line is bought
by value, since 2024
50%limited tender
0of these to Tarwonga Pty Ltd
Limited tender, no open approach to market251 contracts
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.