OCA Membership Directory

You can search for OCA contractors or suppliers by either entering a keyword such as ‘drywall’ or by selecting from the OCA list of trade contracting or products below.

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Maddison Construction Limited

Daniel Maddison

President

+1 (613) 274-4474

https://www.maddisonconstruction.com

74 Bentley Avenue Ottawa, ON K2E 6T9 Canada

  • Building Envelopes
  • Coatings
  • Concrete Coatings
  • Concrete Contractors
  • Concrete Restoration Contractors
  • Foundation Waterproofing
  • Interior Demolition & Refit
  • Interior General Contractors
  • Masonry Restoration Contractors
  • Parking Garage Rehab Contractors
  • Renovation Contractors
  • Restoration Contractors
  • Waterproofing Contractors
  • Coatings - Epoxy/Waterproofing Membrane
  • Interlocking Stone
  • Painting Contractors
  • Parking Deck
  • Landscape Contractors
  • Store Interiors
  • Structural Contractors

Maestro Technologies

Michael Rennie

Canadian Sales Director

Carolyves Bélair

+1 (888) 833-7777

https://www.maestro.ca

Bureau 300 - 1625 boul. Lionel-Boulet Varennes, QC J3X 1P7 Canada

  • Software

Magenta Exterior Solutions

Troy Saikaley

President

+1 (613) 894-2666

https://magentaconstruction.com/

150 - 15 Fitzgerald Rd Nepean, ON K2H 9G1 Canada

  • Air Barriers
  • Building Envelopes
  • Caulking Contractors
  • Cladding Installers
  • Coatings - Epoxy/Waterproofing Membrane
  • Composite Building Panels
  • Concrete Joint Sealants
  • Epoxy/Waterproofing Membrane
  • Expansion Joints
  • Exterior Insul. Wall & Finish Systems(EIFS)
  • Foundation Waterproofing
  • Masonry
  • Masonry Contractors
  • Metal Cladding Installers
  • Roofing Contractors
  • Roofing Membranes
  • Sealant & Caulking
  • Sealant & Caulking Contractors
  • Sheet Metal Contractors
  • Sheet Metal Roofing Contractors
  • Siding Contractors
  • Wall Systems
  • Waterproofing Contractors

Magnum Commercial Inc.

Steven Crossthwaite

President

+1 (613) 293-2133

https://www.magnumroof.ca

5458 Old Richmond Road Nepean, ON K2R 1G7 Canada

  • Roofing Contractors

Make-Way Environmental Technologies

Bert Knip

Roddy Bolivar

Stormwater Solutions Lead

+1 (613) 314-7957

https://www.makeway.ca/

Make-Way Environmental Technologies 45 Inuvik Crescent Ottawa, ON K2L 1A1 Canada

  • Storm Water Management Products

Mansteel Rebar Ltd.

Jordan Evans

Manager

Allen Piddington

General Manager

+1 (905) 737-9797

https://www.mansteelrebar.com

105 Industrial Road Richmond Hill, ON L4C 2Y4 Canada

  • Concrete Reinforcement
  • Concrete
  • Foundations

Manulift EMI Ltd.

Chad Rochon

Territory Manager

David Latour

VP Sales

+1 (406) 652-5550

https://www.manulift.ca

606 Lionel-Boulet Varennes, QC J3X 1P7 Canada

  • Crane Rental & Service
  • Equipment Sales Leasing & Rentals
  • Rental Equipment

Maple Leaf Property Management

Franck Gerbelot-Barillon

Director of Construction

+1 (613) 238-9500

Main Floor - 2 - 90 Sparks Street Ottawa, ON K1P 5B4 Canada

  • Construction Management

Marant Construction Limited

Matthew DiCintio

Regional Director of Operations

Gino Vettoretto

President

+1 (613) 569-0093

https://www.marant.ca

Suite 1680 - 220 Laurier Avenue, West Ottawa, ON K1P 5Z9 Canada

  • Construction Management
  • General Contractors - (Inst/Commercial)
  • Renovation Contractors
  • General Interior Office Fit Ups

Marathon Underground Constructors Corporation

Dave McPhedran

CEO

Humberto Ferrer

President

+1 (613) 821-4800

https://www.marathonunderground.com

49 Auriga Drive Ottawa, ON K2E 8A1 Canada

  • Soil & Rock Anchors
  • Drilling
  • Piling
  • Culverts
  • Grouting Contractors
  • General Contractors - (Heavy Civil)
  • Blasting
  • Shoring
  • Tunnelling
  • Trenchless Technology
  • Utility Contractors