Ontario tenders · Underground utilities
Open underground utilities tenders in Ontario
14 open underground utilities construction tenders in Ontario right now, scanned daily from the official procurement portals and tagged by trade.
Updated August 18, 2026.
Open now
14
New in last 30 days
14
Closing soonest
- Pomerleau Inc.Ottawa, ONCloses Aug 18, 2026via MERXUnderground UtilitiesMechanicalView on official portal →
Utility Sink Installation
3 days leftYee Hong Centre for Geriatric CareScarborough, OntarioCloses Aug 20, 2026via BiddingoUnderground UtilitiesView on official portal →- PUC SERVICESNortheast, ONCloses Aug 21, 2026via MERXUnderground UtilitiesFencingView on official portal →
- City of KingstonKingston, OntarioCloses Aug 25, 2026via BiddingoCivilUnderground UtilitiesMechanicalElectricalView on official portal →
- Municipality of Grey HighlandsMARKDALE, OntarioCloses Aug 25, 2026via BiddingoUnderground UtilitiesView on official portal →
- Municipality of Grey HighlandsMARKDALE, OntarioCloses Aug 25, 2026via BiddingoUnderground UtilitiesView on official portal →
- PUC SERVICESNortheast, ONCloses Aug 26, 2026via MERXUnderground UtilitiesMechanicalElectricalView on official portal →
- ENWIN Utilities Ltd.Windsor, OntarioCloses Aug 31, 2026via BiddingoUnderground UtilitiesView on official portal →
- Ontario Shared ServicesOntarioCloses Aug 31, 2026via MERXUnderground UtilitiesView on official portal →
- District Municipality of MuskokaOntarioCloses Sep 2, 2026via MERXUnderground UtilitiesView on official portal →
- City of TorontoOntarioCloses Sep 4, 2026via MERXUnderground UtilitiesView on official portal →
DAMAGE PREVENTION (UTILITY LOCATE) SERVICES
23 days leftENWIN Utilities Ltd.Windsor, OntarioCloses Sep 9, 2026via BiddingoUnderground UtilitiesView on official portal →- ENWIN Utilities Ltd.Windsor, OntarioCloses Sep 10, 2026via BiddingoWatermainUnderground UtilitiesView on official portal →
Water and Wastewater Operating Authority
37 days leftMunicipality of Red LakeBalmertown, OntarioCloses Sep 23, 2026via BiddingoUnderground UtilitiesView on official portal →
Showing the 14 soonest-closing of 14 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.