Contractor profiles
- DLK Septic Services Inc.
- Dorset Sanitation
- Dover Port-A-John
- Drumax Construction
- Dryden Excavation Inc
- DSI Williams Excavating – Spring Williams
- Dundas Excavating and Septic Service
- Durham College
- Durham Regional Health Department
- Duyck Excavation Inc
- DW Land Development Services Inc.
- Dwyer Landscaping LTD
- Dynamic Excavating Inc.
- Dynamic Septic & Drainage
- E & J Septic
- E. Corbiere and Sons Constracting
- E. Corbiere and Sons Contracting
- E.C. Carruthers & Sons Utility Construction Ltd. – François Dagenais
- E2TECH Services
- Eady Home Inspections
- EARTH 8 SOLUTIONS
- Earth Concerns Environmental Contracting Inc.
- Eastern Engineering
- Eastern Engineering – Colin Jardine
- Eastern Ontario Septic
- Ed Peavoy Septic Service
- Ed Peavoy Septic Service Inc.
- Edscavating Disposal Services
- Eisses Bros. Excavating
- Elliott Construction
- Elmer’s Construction – Dave Covill
- Elmer's Construction Ltd
- Elmer`s Construction
- Enereau Systems Group Inc.
- Engage Engineering
- Enviro-STEP Technologies Inc.
- EnVision Consultants Ltd.
- ESI Group
- Eskritt Construction
- ESSE Canada