Contractor profiles
- HydroCam
- Hysert Greens inc
- Ian Drew Enterprises – Ian Drew
- Imrie Group
- Indigenous Services Canada
- Infiltrator Water Technologies
- Insight360 Home Inspections
- Intuitive Water Systems Inc
- Irongate Inspections
- J & J Lalande Excavation Inc. – Jacques Lalande
- J & R Septic Service
- J. A Porter Holdings
- J. D. S. Enterprises (Ottawa) Inc. – Jason Stacey
- J.L. Richards & Associates
- JAC Mechanical
- Jack Hall & Son Septic Tank Service
- Jack Van Dusen Excavating Ltd. – John Van Dusen
- James Thoume Construction Ltd
- Jasons Landscaping
- Jaws Yardscapes
- Jillian's Septic Design
- Jim's Portable Toilets and Septic Service
- JJ Mclellan & Son
- JM Consulting
- Joe Mumby Septic Tank Pumping
- John Knox Pumping Service
- John Warden Septic Tank Pumping
- Johnny by the Bay Portable Toilets
- Johnny on the Spot
- Johnson Septic Service Ltd.
- Jones Contracting and Building Service
- Jp2g Consultants Inc.
- Just In Time Sanitation
- K & T Port a John Rentals
- K. Smart Associates Limited
- K. Winter Sanitation
- Karhi Contracting
- KB Septic Pumping
- Ken White Construction
- Kinburn Plumbing & Heating