| Electron Metal A.I.G, Inc. | Quebec |
| Electronic Centre Ltd | |
| Electronic Frontier Canada | Ontario |
| Electronic Home Service | Ontario |
| Electronic Interiors | Ontario |
| Electronic Packaging Systems | Ontario |
| Electronic Products and Technology | Ontario |
| Electronic Recycling Association | Alberta |
| Electronic Sales Professionals, Inc. | Ontario |
| Electronic Services Ltd | British Columbia |
| Electronics For Less | Ontario |
| Electronics.ca | Quebec |
| Electronique Master-Vox Ltée | Ontario |
| Électroniques Anvar Ltd | Quebec |
| Electrotech Automatisation Industrielle, Inc. | |
| Electrotek Ltd | Alberta |
| Elegant Designs | |
| Elegant eLearning | Ontario |
| Elegant Logic Ltd | Alberta |
| Elegant Marketing | |
| Elehost Web Design | Ontario |
| Element AI | Quebec |
| Element Pictures | |
| ElementIQ | British Columbia |
| ElephantHost.com | Ontario |
| Elesier | |
| Elessar Development, Inc. | Ontario |
| Eleteria | |
| ELEV8 Communications | |
| Elevate Graphic Design, Inc. | |
| Elevate TechFest | Ontario |
| Elevated Signals, Inc. | |
| Eleven Winds, Inc. | Ontario |
| Elexpertise | Quebec |
| EleXtroByte Computers | British Columbia |
| Eli Lilly Canada, Inc. | Ontario |
| ELi Techology | Nova Scotia |
| Eligeo IT | Alberta |
| Elim Solutions, Inc. | |
| Elinium, Inc. | |
| Eliquo Training & Development, Inc. | Ontario |
| Elisen & associés, Inc. | Quebec |
| Elite Communications | Manitoba |
| Elite Digital, Inc. | Ontario |
| Elite Structured Cabling, Inc. | Ontario |
| Elite Vancouver SEO | British Columbia |
| Elitech Computer | British Columbia |
| EliteEmail | Ontario |
| ÉLITEL | Quebec |
| Elle, MD | |