Lista de empresas
| Name | Province | City |
|---|---|---|
| High Prairie Fractionation Plant - Plains Midstream Canada ULC | Alberta | High Prairie |
| High Prairie FST - Secure Energy Services Inc. | Alberta | High Prairie |
| High Prairie OSB Division - Tolko Industries Ltd. | Alberta | High Prairie |
| High River Peaking Power Plant - Signalta Resources Ltd. | Alberta | High River |
| Highbury Canco Corporation - Highbury Canco Corporation | Ontario | Leamington |
| Highland Creek Treatment Plant - City of Toronto | Ontario | Toronto |
| HIGHLAND FOUNDRY - SURREY - Highland Foundry Ltd. | Columbia Británica | Surrey |
| Highlands Oil MWB 13-21-084-15W5 - Baytex Energy Ltd | Alberta | Cadotte Lake |
| Highvale Coal Mine - TransAlta Generation Partnership | Alberta | Seba Beach |
| Highvale Sour Gas Plant 10-04 - New Star Energy Ltd. | Alberta | Burtonsville |
