Ontario tenders · Underground utilities
Open underground utilities tenders in Ontario
10 open underground utilities construction tenders in Ontario right now, scanned daily from the official procurement portals and tagged by trade.
Updated July 21, 2026.
Open now
10
New in last 30 days
8
Closing soonest
- Department of National Defence (DND)OntarioCloses Jul 22, 2026via MERXUnderground UtilitiesView on official portal →
- Toronto, ONCloses Jul 23, 2026via City of TorontoCivilPavingConcreteBridgeUnderground UtilitiesView on official portal →
- Township of RamaraBrechin, OntarioCloses Jul 24, 2026via BiddingoUnderground UtilitiesView on official portal →
- Township of RamaraOntarioCloses Jul 24, 2026via MERXUnderground UtilitiesView on official portal →
- MetrolinxSouthern OntarioCloses Jul 30, 2026via MERXUnderground UtilitiesView on official portal →
- City of KenoraNorthwest, ONCloses Jul 30, 2026via MERXUnderground UtilitiesElectricalView on official portal →
- Kinetic GPO Inc.Cambridge, OntarioCloses Jul 31, 2026via BiddingoUnderground UtilitiesView on official portal →
- Department of the Environment (ECCC )OntarioCloses Aug 4, 2026via MERXUnderground UtilitiesView on official portal →
- JR Cousin Consultants LtdOntarioCloses Aug 7, 2026via MERXUnderground UtilitiesView on official portal →
Request for Proposals for the Swansea, Southport, and Ellis Sewage Pumping Stations Capacity Upgrade Study
23 days leftCity of TorontoOntarioCloses Aug 12, 2026via MERXUnderground UtilitiesView on official portal →
Showing the 10 soonest-closing of 10 open underground utilities tenders. Start free to see them all, scored to your profile →
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Frequently asked questions
- Where do Ontario underground utilities tenders come from?
- Public procurement portals — CanadaBuys, MERX, Biddingo, the Alberta Purchasing Connection, SaskTenders, and municipal sites (BC tenders arrive via MERX and Biddingo). Cornerstone tags each posting by trade, so this page shows the Ontario work tagged underground utilities. Each listing links to the official source.
- Is it free to see open underground utilities tenders in Ontario?
- Yes — browsing is free and needs no account. A free Cornerstone account scores these tenders to your trade, geography, and bonding capacity, and drafts a compliance-aware proposal for the ones you pursue.
- How is a tender classified as underground utilities?
- Cornerstone reads each posting's scope from its title and description and tags the trades involved. This list is the Ontario tenders tagged underground utilities; many tenders span several trades, so always confirm the full scope in the official documents.
Listings aggregated from public procurement portals; each links to its official source. Trade tags are Cornerstone’s classification of each posting’s scope — always confirm the full scope in the official tender documents. General information, not procurement advice.