Lista de empresas
| Name | Province | City | |
|---|---|---|---|
| Halkirk Oil MWB 09-12 - Karve Energy Inc. | Alberta | Flagstaff | |
| HALLTECH INC. - Halltech Inc. | Ontario | Scarborough | |
| HALO HZ ANTEN 12-01-065-23W5 - Halo Exploration Ltd. | Alberta | Greenview No. 16 | |
| HALO MCKINLEY 03-22-065-22W5 MULTIWELL BATTERY - Halo Exploration Ltd. | Alberta | Greenview No. 16 | |
| Halton Chemical Inc. PLANT/WAREHOUSE - Halton Chemical Inc. | Ontario | Burlington | |
| Halton Hills Generating Station - Portlands Energy Centre LP | Ontario | Halton Hills | |
| Halton Waste Management Site - Region Municipality of Halton | Ontario | 25 Milton | |
| Hamburg Compressor Station 10-07-099-08W6 - Canadian Natural Resources Limited | Alberta | Keg River | |
| Hamburg Compressor Station 10-29-096-11W6 - Canadian Natural Resources Limited | Alberta | Clairmont | |
| Hamburg Sweet Gas Plant 11-14-097-11W6 - Canadian Natural Resources Limited | Alberta | Keg River |
