Darren Calliou
Contract history
Where the revenue comes from
top 1 buyersOpen tenders matching this supplier's work
Environmental Consultant Services for Contaminated Sites, Compliance and DSS/Hazmat — Nunavut
Closes: Nov 20, 2026
Energy & Environment
Regional Environmental Consulting Services for Alberta Transportation and Economic Corridors (2027–2030)
Closes: Nov 05, 2026
Consultancy & Legal
Small Boat Basin Dredging – Canadian Coast Guard Southside Base, St. John’s, NL
Closes: Nov 04, 2026
Transport & Logistics
DFO Small Craft Harbours — Civil and Marine Engineering Consulting Services (Ontario; Prairies & Northwest Territories)
Closes: Nov 10, 2026
Infrastructure
CIRNAC Land Development Planner Expert Services — Standing Offers to March 31, 2029
Closes: Nov 16, 2026
Consultancy & Legal
Rehabilitation of Retaining Wall Downstream of Lock 5 — Chambly Canal National Historic Site
Closes: Nov 11, 2026
Infrastructure
Design-Build Modular Duplex Staff Housing — Łutsël K’é, Thaıdene Nëné National Park Reserve
Closes: Nov 17, 2026
Construction
Engineering Design and Contract Administration for Road Improvements East of Red Sucker Lake First Nation, Northern Manitoba
Closes: Nov 06, 2026
Infrastructure
Consulting Services for Plumbing Optimization, Chlorine Injection and Remote Monitoring at Drury Creek Grader Station — Faro, Yukon
Closes: Nov 10, 2026
Water & Sanitation
Rural Municipality of De Salaberry Participation in Canoe Procurement Group Procurements (Apr 1, 2026–Apr 1, 2027)
Closes: Apr 01, 2027
Miscellaneous
Parks Canada National Supply Arrangement for Accessibility Assessment Consultants
Closes: Nov 22, 2099
Consultancy & Legal
Climate Change Adaptation Professional Services for Coordination and Strategic Support of the Réseau de ressources en transition climatique
Closes: Nov 03, 2026
Consultancy & Legal
Includes consolidated data for: Darren Calliou
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