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Open public tenders sorted by deadline. Don't miss another relevant closing date — free SEAO alerts can watch these for you.
304 opportunities
Data current to Sep 25, 2026 (9 days ago). SEAO publishes its open data once a week.
Acquisition de deux scelleurs de plaques automatiques de type ALPS3000
Ministère de la Sécurité intérieureQuébec, Capitale-NationaleOther
Published Sep 21, 2026Similar contracts ≈ $127,477 (median of 2,260 open-tender contracts)
Société québécoise des infrastructuresQuébec, Capitale-NationaleOther
Published Jul 15, 2026Similar contracts ≈ $127,477 (median of 2,260 open-tender contracts)
Société québécoise des infrastructuresQuébec, Capitale-NationaleEngineering & architecture
Published Sep 10, 2026Similar contracts ≈ $741,782 (median of 302 open-tender contracts)
Remplacement du système de chauffage au mazout au 3798, rue Laval, Lac-Mégantic (Québec) G6B 1A4
SQI-Direction immobilière de l'Estrie et de la MontérégieSherbrooke, EstrieGeneral construction
Published Sep 8, 2026Similar contracts ≈ $463,709 (median of 468 open-tender contracts)
RÉAMÉNAGEMENT DE LA CAFÉTÉRIA DU PAVILLON LIONEL GAUDREAU
CÉGEP de JonquièreSaguenay, Saguenay–Lac-Saint-JeanGeneral construction
Published Sep 11, 2026Similar contracts ≈ $421,290 (median of 383 open-tender contracts)
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Create my free SEAO Profile™Surveillance des machines fixes
SQI-Direction immobilière de Laval, des Laurentides et de LanaudièreLaval, LavalGeneral construction
Published Sep 11, 2026Similar contracts ≈ $685,060 (median of 112 open-tender contracts)
Fourniture de sel de voirie (Chlorure de sodium)
Ville de Mont-JoliOther
Published Sep 16, 2026Published value not published
Société parc-auto du QuébecQuébec, Capitale-NationaleIT / Technology
Published Sep 16, 2026Similar contracts ≈ $521,825 (median of 767 open-tender contracts)
Centre de services scolaire de LavalLaval, LavalEngineering & architecture
Published Sep 9, 2026Similar contracts ≈ $233,473 (median of 23 open-tender contracts)
Acquisition et support de numériseurs
Santé Québec LaurentidesSaint-Jérôme, LaurentidesIT / Technology
Published Sep 4, 2026Similar contracts ≈ $211,697 (median of 32 open-tender contracts)
Acquisition et installation d’un système DAS multiopérateur au CRJDA de Ste-Thérèse
Santé Québec LaurentidesSaint-Jérôme, LaurentidesIT / Technology
Published Aug 7, 2026Similar contracts ≈ $211,697 (median of 32 open-tender contracts)
RÉFECTION DU VIEUX PALAIS DE JUSTICE DE L’ASSOMPTION
Ville de L'AssomptionL'Assomption, LanaudièrePaving
Published Aug 25, 2026Similar contracts ≈ $228,263 (median of 64 open-tender contracts)
085-240-43174/75-École internationale Lucille-Teasdale-Remplacement de la génératrice
Centre de services scolaire Marie-VictorinLongueuil, MontérégieGeneral construction
Published Sep 10, 2026Similar contracts ≈ $479,988 (median of 820 open-tender contracts)
Ville de Saint-AntoninSaint-Antonin, Bas-Saint-LaurentEngineering & architecture
Published Jul 20, 2026Similar contracts ≈ $202,000 (median of 25 open-tender contracts)
Travaux électriques pour l'éclairage sportif et structures de support
Parc olympiqueMontréal, MontréalElectrical
Published May 29, 2026Similar contracts ≈ $294,056 (median of 34 open-tender contracts)
REMPLACEMENT DE L’INFRASTRUCTURE DE TÉLÉCOMMUNICATION DE L’ENCEINTE DU STADE OLYMPIQUE - PHASE 1
Parc olympiqueMontréal, MontréalPaving
Published Jul 21, 2026Similar contracts ≈ $927,000 (median of 135 open-tender contracts)
Ville de Montréal - Arrondissement Saint-LaurentMontréal, MontréalOther professional services
Published Sep 4, 2026Similar contracts ≈ $352,168 (median of 1,250 open-tender contracts)
FOURNITURE ET INSTALLATION DE GUÉRITES ET CAMÉRAS AUX STATIONNEMENTS 3800 ET 6220
Collège de MaisonneuveMontréal, MontréalPaving
Published Sep 3, 2026Similar contracts ≈ $927,000 (median of 135 open-tender contracts)
Plan directeur des laboratoires de sciences_817
Collège de MaisonneuveMontréal, MontréalOther professional services
Published Sep 4, 2026Similar contracts ≈ $352,168 (median of 1,250 open-tender contracts)
Services des équipements de chauffages au gaz naturel dans les petits bâtiments
Université McGillMontréal, MontréalGeneral construction
Published Sep 8, 2026Published value $653,199
CENTRE DE SERVICES SCOLAIRE DE L’OR-ET-DES-BOISVal-d'Or, Abitibi-TémiscamingueOther professional services
Published Sep 15, 2026Similar contracts ≈ $252,370 (median of 53 open-tender contracts)
MRC des MaskoutainsPaving
Published Sep 17, 2026Published value not published
MRC des MaskoutainsPaving
Published Sep 17, 2026Published value not published
Ville de Montréal - Arrondissement de LachineMontréal, MontréalEngineering & architecture
Published Sep 16, 2026Similar contracts ≈ $337,625 (median of 260 open-tender contracts)
Société d'habitation et de développement de MontréalMontréal, MontréalHVAC / Ventilation
Published Sep 16, 2026Similar contracts ≈ $353,401 (median of 50 open-tender contracts)
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Data: SEAO open data, Secrétariat du Conseil du trésor du Québec (CC-BY licence). Alliance Optima is not affiliated with SEAO or the Government of Québec. The official notice and its addenda always govern — verify atseao.gouv.qc.ca before bidding.