Maintenance on CanadaBuys

The CanadaBuys website and SAP Ariba will be down for scheduled maintenance at the times listed below. We apologize for any inconvenience. 

  • CanadaBuys on Friday, December 13 from 7:00 pm until December 14 7:00 am (Eastern Time)
  • SAP Ariba on Saturday, December 14 from 7:00 pm until 11:00 pm (Eastern Time)   

SAP Ariba Discovery issue

SAP Ariba Discovery is having a delay with some RFXs and intermittent issues with the posting time in Ariba Discovery. We apologize for any inconvenience that this may have caused. 

If your tender is impacted, please contact the CanadaBuys Service Desk for assistance. 

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 32517
List of tender notices. The columns are sortable in ascending and descending order.
Title Category Open/amendment date Closing date Organization
Kitchen Cleaning Services for the CN Tower Services 2022/08/17
Amended
2022/08/25 Canada Lands Company CLC Limited - (CN…
Elevator Maintenance – CN Tower Services related to goods 2022/11/21
Amended
2022/11/28 Canada Lands Company CLC Limited - (CN…
INDOOR/OUTDOOR HOUSEKEEPING & JANITORIAL SERVICES FOR THE CN TOWER Services 2022/09/09
Amended
2022/09/16 Canada Lands Company CLC Limited - (CN…
Request for Proposals Audio Visual Content at CN Tower Construction 2022/01/05
Amended
2022/01/14 Canada Lands Company CLC Limited - (CN…
Millard-Church-Elm Reconstruction Project Construction 2024/07/18
Amended
2024/06/12 Town Of Newmarket
Tower Replacement Services related to goods 2017/06/12 2017/06/28 Fisheries and Oceans Canada
Aluminum Tower Fabrication Goods 2017/06/01
Amended
2017/06/01 Fisheries and Oceans Canada
Tower Fabrication/Construction Goods 2018/08/01
Amended
2018/08/09 Fisheries and Oceans Canada
Outdoor Observation Level 2 Renovation Construction 2020/10/19
Amended
2020/10/26 Canada Lands Company CLC Limited - (CN…
Radio Tower Goods 2013/05/30
Amended
2012/10/31 Natural Resources Canada
Displaying 1 - 10 of
10 of 14846
14846
List of award notices. The columns are sortable in ascending and descending order.
Title Category Award/amendment date Closing date Organization
Prefabricated Tower Structures Goods 2016/01/06 N/A Fisheries and Oceans Canada
Prefabricated Tower Structures Goods 2018/01/26 N/A Fisheries and Oceans Canada
Kitchen Cleaning Services for the CN Tower Services 2022/10/11 N/A Canada Lands Company CLC Limited - (CN…
Elevator Maintenance – CN Tower Services related to goods 2023/02/28 N/A Canada Lands Company CLC Limited - (CN…
Prefabricated Tower Structures, Aluminum Goods 2015/01/13 N/A Fisheries and Oceans Canada
Prefabricated Tower Structures, Aluminum Goods 2013/02/20 N/A Fisheries and Oceans Canada
Prefabricated Tower Structures, Aluminum Goods 2017/03/20 N/A Fisheries and Oceans Canada
Prefabricated Tower Structures, Aluminum Goods 2019/12/20 N/A Fisheries and Oceans Canada
INDOOR/OUTDOOR HOUSEKEEPING & JANITORIAL SERVICES FOR THE CN TOWER Services 2022/12/08 N/A Canada Lands Company CLC Limited - (CN…
Request for Proposals Audio Visual Content at CN Tower Construction 2022/03/03 N/A Canada Lands Company CLC Limited - (CN…
50 of 60688
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
MILLARD TOWERS LIMITED 23240-123097/001/HL Natural Resources Canada 2011/06/27 CAD 224,610.00
Millard Towers Limited F1705-150058/001/VIC Fisheries and Oceans Canada 2016/01/06 CAD 52,852.00
Millard Towers Limited F2563-170072/001/KIN Fisheries and Oceans Canada 2018/01/26 CAD 129,134.00
Millard Towers Limited F2563-190046/001/KIN Fisheries and Oceans Canada 2019/12/20 CAD 240,000.00
Millard Towers Limited F1705-160204/001/VIC Fisheries and Oceans Canada 2017/03/20 CAD 256,289.00
Millard Towers Limited F2563-140042/001/KIN Fisheries and Oceans Canada 2015/01/13 CAD 103,229.00
MILLARD TOWERS LIMITED F2563-120094/001/TOR Fisheries and Oceans Canada 2013/02/20 CAD 100,256.00
MILLARD TOWERS LIMITED F2563-080067/001/LON Fisheries and Oceans Canada 2009/03/12 CAD 282,708.00
MILLARD TOWERS LIMITED F2618-080100/001/LON Fisheries and Oceans Canada 2009/01/30 CAD 36,743.00
MILLARD TOWERS LIMITED F2563-100112/001/TOR Fisheries and Oceans Canada 2011/02/08 CAD 256,838.00
MILLARD TOWERS LIMITED F2563-110059/001/KIN Fisheries and Oceans Canada 2012/06/06 CAD 100,850.00
MILLARD TOWERS LIMITED W8484-116625/005/HN Department of National Defence 2010/09/24 CAD 36,269.00
MILLARD TOWERS LIMITED W3999-10M582/001/WPG Department of National Defence 2009/03/20 CAD 9,443.00
Graf Marine Systems Limited F6839-215061/001/HAL Department of Fisheries and Oceans (DFO) 2023/09/14
Amended
CAD 560,209.00
Graf Marine Systems Limited F6839-215061/001/HAL Department of Fisheries and Oceans (DFO) 2023/08/21
Amended
CAD 560,209.00
Graf Marine Systems Limited F6839-215061/001/HAL Department of Fisheries and Oceans (DFO) 2023/09/15
Amended
CAD 560,209.00
Graf Marine Systems Limited F6839-215061/001/HAL Department of Fisheries and Oceans (DFO) 2023/09/14
Amended
CAD 560,209.00
Graf Marine Systems Limited F6839-215061/001/HAL Department of Fisheries and Oceans (DFO) 2023/07/19
Amended
CAD 560,209.00
Advanced Tower Services(2007)Ltd. F2563-110001/001/TOR Fisheries and Oceans Canada 2011/06/02 CAD 24,322.00
Advanced Tower Services(2007)Ltd. F5606-083042/001/HAL Fisheries and Oceans Canada 2009/09/29 CAD 289,054.00
Advanced Tower Services(2007)Ltd. F5606-083042/001/HAL Fisheries and Oceans Canada 2009/07/15 CAD 289,054.00
Jol tower work and antennae inspection limited F5606-073000/001/HAL Fisheries and Oceans Canada 2009/05/01 CAD 171,000.00
Jol tower work and antennae inspection limited F5606-073000/001/HAL Fisheries and Oceans Canada 2010/05/13 CAD 115,000.00
Advanced Tower Services(2007)Ltd. M9010-092711/001/MCT Royal Canadian Mounted Police 2009/03/30 CAD 369,397.00
Harbour Towers Limited Partnership E60LP-150002/371/LP Public Works and Government Services… 2016/02/02 CAD 65,000.00
Tower Aerospace Inc. T8493-140035/016/CAG Transport Canada, Transport Canada 2023/12/29 CAD 0.00
Tower Aerospace Inc. W8485-184741/009/CAG Department of National Defence 2021/03/17 CAD 0.00
Tower Aerospace Inc. W8485-184741/009/CAG Department of National Defence 2019/11/26 CAD 0.00
Tower Restoration Ltd. EQ734-104125/001/PWL Public Works and Government Services… 2013/02/15 CAD 152,335.00
Tower Aerospace Inc. W8485-127470/003/BY Department of National Defence 2012/01/25 CAD 1,989.00
Tower Aerospace Inc. W8485-126213/005/BY Department of National Defence 2011/12/02 CAD 857.00
Tower Aerospace Inc. W8485-114272/003/BY Department of National Defence 2011/09/27 CAD 8,250.00
Tower Aerospace Inc. W8485-114272/003/BY Department of National Defence 2011/08/16 CAD 8,250.00
Tower Aerospace Inc. W8485-125399/003/BY Department of National Defence 2011/07/29 CAD 974.00
Tower Aerospace Inc. W8485-113681/003/BY Department of National Defence 2011/02/22 CAD 2,769.00
Tower Aerospace Inc. W8485-114234/004/BY Department of National Defence 2011/02/08 CAD 552.00
Tower Aerospace Inc. W8485-113681/003/BY Department of National Defence 2010/12/09 CAD 920.00
Tower Aerospace Inc. W8485-113681/003/BY Department of National Defence 2010/12/02 CAD 2,769.00
Tower Aerospace Inc. W8485-101692/001/BY Department of National Defence 2009/11/17 CAD 42,210.00
Tower Restoration Ltd. EQ734-100248/001/PWL Public Works and Government Services… 2009/09/23 CAD 473.00
Tower Restoration Ltd. EQ734-100248/001/PWL Public Works and Government Services… 2009/08/14 CAD 12,950.00
Tower Aerospace Inc. W8485-100787/001/BY Department of National Defence 2009/06/23 CAD 1,326.00
Tower Aerospace Inc. W8485-090119/002/BY Department of National Defence 2009/05/15 CAD -6,505.00
Tower Aerospace Inc. W8485-099650/004/BY Department of National Defence 2009/04/14 CAD 23,185.00
Tower Aerospace Inc. W8485-099650/004/BY Department of National Defence 2009/03/31 CAD 18,547.00
Tower Aerospace Inc. W8485-184741/009/CAG Department of National Defence 2022/08/09 CAD 0.00
Tower Aerospace Inc. W8485-184741/009/CAG Department of National Defence 2021/12/15 CAD 0.00
Tower Aerospace Inc. T8493-140035/016/CAG Transport Canada 2020/03/05 CAD 0.00
Tower Aerospace Inc. W8485-184741/009/CAG Department of National Defence 2020/02/21 CAD 0.00
Tower Aerospace Inc. T8493-140035/016/CAG Transport Canada 2019/03/18 CAD 0.00

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