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Tender opportunities

Browse the list of tender opportunities and sign up for notifications to stay up to date. To download contracting information posted on CanadaBuys and contract history: 

Content in some tender notices may not be available in both English and French. This is because the Official Languages Act does not apply to all public sector institutions. Learn more about our official languages requirements.

Notice categories:

10 of 71390
List of tender notices. The columns are sortable in ascending and descending order.
Title Category Open/amendment date Closing date Organization
Ontario Lead, Positron Emission Tomography (PET) Scanning 2023/11/03
Amended
 2023/11/03 Ontario Health
Due Diligence Services for Venture Ontario 2024/09/12
Amended
 2024/09/12 Venture Ontario
External Audit Services for Venture Ontario 2024/07/22
Amended
 2024/07/22 Venture Ontario
Ontario Health Public Certificates Migration for 24 months with 3… 2024/10/29
Amended
 2024/10/29 Ontario Health
RFSO – Contemporary Architecture – National Parks and Historic Sites in… Services 2016/07/06
Amended
 2016/07/14 Parks Canada
Ontario Science Centre – Shuttle Service, Accessible Vans and Shuttle… 2022/10/28
Amended
 2022/10/28 Ontario Science Centre
Request for Bids for Ontario Nuclear Funds - Audit Services 2023/11/08
Amended
 2023/11/08 Ontario Financing Authority
Provincial Clinical Lead, Ontario Structured Psychotherapy Program 2024/04/22
Amended
 2024/04/21 Ontario Health
OPP-1818 Forensic Lasers for the Ontario Provincial Police Goods 2024/11/12
Amended
 2024/12/05 Supply Ontario
APN_Commissioning Services - Ontario Services 2023/12/08
Amended
 2023/12/08 Defence Construction Canada - Ontario…

Displaying 31 - 40 of
10 of 103730
103730
List of award notices. The columns are sortable in ascending and descending order.
Title Category Award/amendment date Closing date Organization
Amend 000 - Cleaning Services, Duct-Exhaust System - Light Fixtures -… Services 2024/06/28
Amended
 2025/06/30 Department of National Defence (DND)
Amend 002 - Communication Promotional Material - Big Tree Promotions (… Services 2023/07/18
Amended
 2023/12/30 Department of Public Works and Government…
Wharf Repairs - Batchawana & Mamainse Harbour, Ontario Construction 2024/09/05 2025/02/15 Fisheries and Oceans Canada
Proservices SA - The University of Western Ontario Services 2024/11/07
Amended
 2100/01/01 Department of Public Works and Government…
ProServices SA – 1000000815 Ontario Corporation Services 2024/02/22
Amended
 2028/07/04 Department of Public Works and Government…
Ontario Region - CM Services Construction 2020/02/18 N/A Public Works and Government Services…
Collins Bay Landfill Closure, Kingston, Ontario Construction 2014/09/03 N/A Public Works and Government Services…
Rideau Canal - New railing, Ottawa, Ontario Construction 2017/10/06 N/A National Capital Commission
Amend 000 - Various Aggregate Materials - 1288808 Ontario Ltd Goods 2024/04/22
Amended
 2025/05/31 Department of National Defence (DND)
Kingston, Ontario - LaSalle Causeway Electrical & Mechanical… Construction 2022/05/18 N/A Public Works and Government Services…

50 of 408373
List of contract history information. The columns are sortable in ascending and descending order.
Company name Contract number Organization Award/amendment date Contract / Amendment value
1933152 Ontario Inc. W6854-210213/001/TOR Department of National Defence (DND) 2024/04/08
Amended
 CAD 282,500.00
1933152 Ontario Inc. W6854-210213/001/TOR Department of National Defence (DND) 2023/04/27
Amended
 CAD 282,500.00
1907302 Ontario Inc. E60ZT-180027/206/ZT Department of Public Works and Government… 2024/02/13
Amended
 CAD 0.00
2441414 Ontario Inc. E60ZT-180028/372/ZT Department of Public Works and Government… 2024/11/12
Amended
 CAD 0.00
1907302 Ontario Inc. E60ZT-180027/206/ZT Department of Public Works and Government… 2024/11/07
Amended
 CAD 0.00
1101417 ONTARIO INC. E60ZT-180026/183/ZT Department of Public Works and Government… 2024/11/06
Amended
 CAD 0.00
1270665 Ontario Inc. E60ZT-180026/185/ZT Department of Public Works and Government… 2024/10/29
Amended
 CAD 0.00
2259360 ONTARIO INC. CW2371764 Department of Public Works and Government… 2024/09/20 CAD 0.00
1101417 ONTARIO INC. E60ZT-180026/183/ZT Department of Public Works and Government… 2024/08/06
Amended
 CAD 0.00
2242325 ONTARIO INC. CW2365555 Department of Public Works and Government… 2024/06/21 CAD 0.00
2138724 Ontario Inc. CW2365002 Department of Public Works and Government… 2024/06/21 CAD 0.00
1101417 Ontario Inc. E60ZT-180026/183/ZT Department of Public Works and Government… 2024/02/06
Amended
 CAD 0.00
2441414 Ontario Inc. E60ZT-180028/372/ZT Department of Public Works and Government… 2021/12/16 CAD 0.00
ONTARIO CRANE SERVICE W6854-200195/001/TOR Department of National Defence (DND) 2023/12/06
Amended
 CAD 158,200.00
2311443 Ontario Inc E60ZT-180025/030/ZT Department of Public Works and Government… 2024/10/29
Amended
 CAD 0.00
2764092 Ontario Inc. E60ZT-180028/385/ZT Department of Public Works and Government… 2024/11/12
Amended
 CAD 0.00
1323653 Ontario Inc. E60ZT-180025/027/ZT Department of Public Works and Government… 2024/10/29
Amended
 CAD 0.00
1000309024 ONTARIO INC. CW2371737 Department of Public Works and Government… 2024/09/20 CAD 0.00
2515936 Ontario Inc. CW2372284 Department of Public Works and Government… 2024/09/20 CAD 0.00
2764092 Ontario Inc. E60ZT-180028/385/ZT Department of Public Works and Government… 2024/01/24
Amended
 CAD 0.00
2764092 Ontario Inc. E60ZT-180028/385/ZT Department of Public Works and Government… 2023/03/16 CAD 0.00
Ontario Ovens Inc. 23572-120506/001/PV Natural Resources Canada 2012/01/23 CAD 64,374.00
Ontario Ovens Inc. 23572-120506/001/PV Natural Resources Canada 2012/01/23 CAD 64,374.00
2060945 Ontario Inc CW2371981 Department of Public Works and Government… 2024/09/20 CAD 0.00
2346240 Ontario Inc E60ZT-180025/031/ZT Department of Public Works and Government… 2024/11/05
Amended
 CAD 0.00
1155238 Ontario Inc E60ZT-180026/184/ZT Department of Public Works and Government… 2024/10/28
Amended
 CAD 0.00
2346240 Ontario Inc E60ZT-180025/031/ZT Department of Public Works and Government… 2024/01/12
Amended
 CAD 0.00
2151706 ONTARIO INC. 86100-170005/008/CY Immigration and Refugee Board (IRB) 2024/04/16
Amended
 CAD 0.00
2151706 ONTARIO INC. 86100-170005/008/CY Immigration and Refugee Board (IRB) 2023/07/18
Amended
 CAD 0.00
2151706 ONTARIO INC. 86100-170005/008/CY Immigration and Refugee Board (IRB) 2024/07/30
Amended
 CAD 0.00
2151706 ONTARIO INC. 86100-170005/008/CY Immigration and Refugee Board (IRB) 2024/07/25
Amended
 CAD 0.00
2151706 ONTARIO INC. 86100-170005/008/CY Immigration and Refugee Board (IRB) 2024/04/12
Amended
 CAD 0.00
2151706 ONTARIO INC. 86100-170005/008/CY Immigration and Refugee Board (IRB) 2023/07/18
Amended
 CAD 0.00
2311812 Ontario Inc. EP076-222018/001/FG Department of Public Works and Government… 2023/06/22
Amended
 CAD 1,892,750.00
2311812 Ontario Inc. EP076-222018/001/FG Department of Public Works and Government… 2023/12/19
Amended
 CAD 1,892,750.00
2311812 Ontario Inc. EP076-222018/001/FG Department of Public Works and Government… 2023/08/18
Amended
 CAD 1,892,750.00
GIRARDIN ONTARIO INC. T8009-200299/001/HP Transport Canada 2021/05/11 CAD 134,181.00
Boyden Ontario Inc EN578-172870/227/ZN Department of Public Works and Government… 2023/09/25
Amended
 CAD 0.00
Ontario Laundry Systems Inc. W8482-156487/001/HN Department of National Defence 2015/01/13 CAD 2,711.00
Ontario Polygraph Consulting Inc. M9010-071091/020/ZG Royal Canadian Mounted Police 2009/03/26 CAD 0.00
GSI INTERNATIONAL CONSULTING INC. EP944-190770/001/ZQ Department of Public Works and Government… 2024/01/12
Amended
 CAD 6,867,559.41
GS International Consulting Inc. EP944-190770/001/ZQ Department of Public Works and Government… 2023/10/17
Amended
 CAD 6,867,559.41
GSI INTERNATIONAL CONSULTING INC. EP944-190770/001/ZQ Department of Public Works and Government… 2024/04/30
Amended
 CAD 179,875.78
GSI INTERNATIONAL CONSULTING INC. EP944-190770/001/ZQ Department of Public Works and Government… 2024/01/30
Amended
 CAD 179,875.78
GS International Consulting Inc. EP944-190770/001/ZQ Department of Public Works and Government… 2023/09/07
Amended
 CAD 272,636.03
GS International Consulting Inc. EP944-190770/001/ZQ Department of Public Works and Government… 2023/06/22
Amended
 CAD 272,636.03
Ontario Laundry Systems Inc. W8482-156487/001/HN Department of National Defence 2014/11/21 CAD 47,574.00
ONTARIO CRANE SERVICE W6889-210101/001/PET Department of National Defence (DND) 2024/09/30
Amended
 CAD 508,133.00
ONTARIO CRANE SERVICE W6889-210101/001/PET Department of National Defence (DND) 2024/06/11
Amended
 CAD 508,133.00
2384575 Ontario Inc. O/A Eugene Craig's Septic Service W6888-201802/001/KIN Department of Public Works and Government… 2024/04/30
Amended
 CAD 0.00

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