SAP Ariba system maintenance

SAP Ariba will be unavailable for scheduled maintenance at the times listed below. We apologize for any inconvenience.  

  • Saturday, June 21 from 2:00 pm until 11:59 pm (EDT) 

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: 


Notice categories:

10 of 38885
List of tender notices. The columns are sortable in ascending and descending order.
Title Category Open/amendment date Closing date Organization
Roofing Repair Services Construction 2019/11/28 2019/12/12 Canada Mortgage and Housing Corporation
Limited Tendering - Award Notice 2022 2025/05/22
Amended
2025/05/22 Laurentian University Of Sudbury
Limited Tendering - Award Notice 2024 2025/05/22
Amended
2025/05/22 Laurentian University Of Sudbury
Limited Tendering - Award Notice 2023 2025/05/22
Amended
2025/05/22 Laurentian University Of Sudbury
Roofing Upgrades Construction 2013/05/30
Amended
2012/12/19 Public Works and Government Services…
Roofing Repairs and Maintenance Construction 2022/06/01 2022/06/30 Health Canada
NAFC Roof Replacement & Roof Recap Construction 2016/05/30
Amended
2016/06/13 Public Works and Government Services…
Roofing Repairs Construction 2022/08/17 2022/09/12 Public Works and Government Services…
Roof Replacements Construction 2017/11/06
Amended
2017/11/07 National Capital Commission
Roofing Installation and Repair Construction, Goods 2020/01/31
Amended
2020/02/07 National Capital Commission
Displaying 1 - 10 of
10 of 15238
15238
List of award notices. The columns are sortable in ascending and descending order.
Title Category Award/amendment date Closing date Organization
Roof Repairs Construction 2017/09/13 N/A Department of National Defence
Roof Repairs, CFB 4 Wing Construction 2022/10/14 N/A Department of National Defence
Roof Repairs, Cold Lake Construction 2015/02/27 N/A Department of National Defence
Roofing and Waterproofing Construction 2019/12/19 N/A Public Works and Government Services…
Roofing Upgrades Construction 2013/01/10 N/A Public Works and Government Services…
Roofing and Waterproofing Construction 2014/05/22 N/A Public Works and Government Services…
Roofing Installation and Repair Construction 2020/03/02 N/A National Capital Commission
BIO - Roof Replacement Construction 2017/03/03 N/A Public Works and Government Services…
NAFC Roof Replacement & Roof Recap Construction 2016/06/20 N/A Public Works and Government Services…
Roof Replacement - Vulcan Bldg Construction 2015/10/21 N/A Public Works and Government Services…
50 of 56741
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
DunRite Roofing Limited W6895-200058/001/PWU Department of National Defence 2022/10/14 CAD 945,000.00
DunRite Roofing Limited W6837-174229/001/PWU Department of National Defence 2021/12/14 CAD 840,000.00
DunRite Roofing Limited W6837-174229/001/PWU Department of National Defence 2021/10/13 CAD 840,000.00
DunRite Roofing Limited W6837-174229/001/PWU Department of National Defence 2021/08/06 CAD 840,000.00
DunRite Roofing Limited W6837-174229/001/PWU Department of National Defence 2021/06/07 CAD 840,000.00
DunRite Roofing Limited W6837-174229/001/PWU Department of National Defence 2021/02/17 CAD 840,000.00
DunRite Roofing Limited W6837-174229/001/PWU Department of National Defence 2017/09/13 CAD 840,000.00
DunRite Roofing Limited W0134-01CYAY/001/EDM Department of National Defence 2009/07/13 CAD 1,605,000.00
DunRite Roofing Limited W0134-01CYAY/001/EDM Department of National Defence 2009/03/17 CAD 1,605,000.00
DunRite Roofing Limited W0134-15CYNN/001/PWU Department of National Defence 2016/08/16 CAD 945,000.00
DunRite Roofing Limited W0134-15CYNN/001/PWU Department of National Defence 2015/02/27 CAD 945,000.00
DunRite Roofing Limited W0134-07CYCK/001/PWU Department of National Defence 2014/09/30 CAD 1,575,000.00
DunRite Roofing Limited W0134-07CYCK/001/PWU Department of National Defence 2013/09/24 CAD 1,575,000.00
DunRite Roofing Limited W0134-07CYCK/001/PWU Department of National Defence 2012/06/08 CAD 1,575,000.00
DunRite Roofing Limited W0134-07CYCK/001/PWU Department of National Defence 2009/06/03 CAD 1,575,000.00
A-Tech Roofing Ltd CW2327942 Correctional Service of Canada (CSC) 2024/08/16
Amended
CAD 754,000.00
A-Tech Roofing Ltd CW2327942 Correctional Service of Canada (CSC) 2023/09/29 CAD 754,000.00
NORWIN ROOFING LTD. CW2273459 Department of National Defence (DND) 2025/04/30
Amended
CAD 1,000,000.00
NORWIN ROOFING LTD. CW2273459 Department of National Defence (DND) 2023/05/01 CAD 1,000,000.00
Raymond Roofing & Associates Inc EP916-220382/001/FG Department of Public Works and Government… 2023/07/27
Amended
CAD 64,350.55
Raymond Roofing & Associates Inc EP916-220382/001/FG Department of Public Works and Government… 2023/07/26
Amended
CAD 64,350.55
McCarthy's Roofing Limited 21120-185922/001/PWB Correctional Service of Canada 2017/09/29 CAD 284,050.00
G&G Roofing Ltd. CW2241320 Department of Public Works and Government… 2023/09/12
Amended
CAD 3,949.66
G&G Roofing Ltd. CW2241320 Department of Public Works and Government… 2023/09/11
Amended
CAD 3,949.66
G&G Roofing Ltd. CW2241320 Department of Public Works and Government… 2023/06/30
Amended
CAD 366,087.39
G&G Roofing Ltd. CW2241320 Department of Public Works and Government… 2023/01/25 CAD 366,087.39
Clark Roofing (1964) Ltd. CW2307835 Department of the Environment (ECCC ) 2025/03/20
Amended
CAD 192,654.50
Clark Roofing (1964) Ltd. CW2307835 Department of the Environment (ECCC ) 2024/08/01
Amended
CAD 192,654.50
Clark Roofing (1964) Ltd. CW2307835 Department of the Environment (ECCC ) 2024/03/20
Amended
CAD 108,987.20
Clark Roofing (1964) Ltd. CW2307835 Department of the Environment (ECCC ) 2024/02/28
Amended
CAD 3,029,418.50
Clark Roofing (1964) Ltd. CW2307835 Department of the Environment (ECCC ) 2024/02/28
Amended
CAD 108,987.20
Clark Roofing (1964) Ltd. CW2307835 Department of the Environment (ECCC ) 2023/08/23 CAD 3,029,418.50
McCarthy's Roofing Limited EB144-202453/001/PWA Public Works and Government Services… 2019/12/19 CAD 97,405.00
McCarthy's Roofing Limited EB144-172836/001/PWA Public Works and Government Services… 2017/03/03 CAD 1,435,200.00
McCarthy's Roofing Limited EB144-161485/001/PWA Public Works and Government Services… 2015/11/18 CAD 205,850.00
McCarthy's Roofing Limited EB144-161266/001/PWA Public Works and Government Services… 2015/10/21 CAD 2,344,850.00
Fosco Roofing Limited 21A01-080009/001/PWB Correctional Service of Canada 2009/02/05 CAD 53,675.00
Evolution Roof Ltd. CW2339752 Department of Public Works and Government… 2024/07/01
Amended
CAD 627,612.50
Evolution Roof Ltd. CW2339752 Department of Public Works and Government… 2023/12/01 CAD 627,612.50
Marine Roofing CW2349811 Correctional Service of Canada (CSC) 2024/08/22
Amended
CAD 375,406.50
Marine Roofing CW2349811 Correctional Service of Canada (CSC) 2024/05/02 CAD 375,406.50
A-Tech Roofing Ltd CW2329394 Department of National Defence (DND) 2023/11/09
Amended
CAD 920,000.00
A-Tech Roofing Ltd CW2329394 Department of National Defence (DND) 2023/09/06 CAD 920,000.00
North Shore Roofing CW2324205 Department of Fisheries and Oceans (DFO) 2023/11/30
Amended
CAD 362,825.00
North Shore Roofing CW2324205 Department of Fisheries and Oceans (DFO) 2023/07/13 CAD 362,825.00
McCarthy's Roofing Limited EB144-210747/001/PWA Public Works and Government Services… 2020/10/07 CAD 200,100.00
McCarthy's Roofing Limited EB144-170100/001/PWA Public Works and Government Services… 2016/05/27 CAD 781,770.00
Christensen & McLean Roofing Co. Ltd. CW2338038 Correctional Service of Canada (CSC) 2024/09/16
Amended
CAD 188,520.06
Christensen & McLean Roofing Co. Ltd. CW2338038 Correctional Service of Canada (CSC) 2024/08/24
Amended
CAD 153,632.10
Christensen & McLean Roofing Co. Ltd. CW2338038 Correctional Service of Canada (CSC) 2024/07/23
Amended
CAD 151,548.90

Useful links

Support

Contact us directly, or find your answers using resource guides.

Date modified: