Industries List
| Name | Province | City |
|---|---|---|
| Island Falls Power Station - Saskatchewan Power Corporation | Saskatchewan | Sandy Bay |
| Island Filtration Plant - City of Toronto | Ontario | Toronto |
| Island Gold Mine - Alamos Gold Incorporated | Ontario | Dubreuilville |
| ITL CIRCUITS - ITL (Integrated Technology Ltd). | Ontario | Markham |
| Ivaco Rolling Mills - Ivaco Rolling Mills 2004 L. P. | Ontario | L'Orignal |
| J. Douglas Kline (Pockwock) Water Supply Plant - Halifax Regional Water Commission | Nova Scotia | Hammonds Plains |
| J. H. Huscroft Ltd. - J.H. Huscroft Ltd. | British Columbia | Creston |
| J.M. Champeau Inc - J.M. Champeau Inc. | Quebec | St-Malo |
| J&K Die Casting Limited - J&K Die Casting Ltd. | Ontario | Scarborough |
| Jackfish 1 10-28-075-06 W4M - Canadian Natural Resources Limited | Alberta | Conklin |
