Contractor profiles
- King Excavation and Septic Inc
- Kingfish Pumping
- Kirwin & Oatman Excavating
- Knapps Paving & Landscaping – Russ Knapp
- Kollaard Associates
- Kollaard Associates Engineers
- Kollaard Associates Engineers – Kaleb Lakew or Paul Villeneuve
- Kuipers Construction
- Kwality Rentals & Sanitation
- Lacroix Excavation – Alain & Nykola Lacroix
- Ladcon
- Lake of Bays Septic Services
- Lambton Sanitation
- Lamoureux Pumping
- Landforge
- Lascelles Engineering
- Lascelles Engineering – François Eli
- Lauren Spivak - Architectural Designer
- Laviolette Excavation – Charles Laviolette
- Lavish Portable Restrooms
- Leahy Excavations Inc.
- Leamington Sanitation
- Leary Excavating & Septic Systems
- Leo Sarault & Fils Inc. Excavation – Gilles Sarault
- Leroy Construction
- Liberty Pumps
- LinScott Drainage LTD
- Lloyd McMillan Equipment Ltd.
- Lockwood Bros. Construction – Brad Code
- Lockwood Brothers Construction
- Losey’s Haulage – Jim Losey
- LRL Associates Ltd.
- LTM Construction Services
- M. Riddle Excavating
- M.G Excavation & Solutions
- M&G Portables
- M&S Sarrazin Excavation Inc. – Stephane
- Mac McGill Excavating
- MacGregor Concrete Products
- MacGregor Concrete Products (Beachburg) Limited