| 881 | Jensen Hughes Consulting Canada Ltd. | Halifax |
| 882 | Jensen Hughes Consulting Canada Ltd. | Ottawa |
| 883 | Jensen Hughes Consulting Canada Ltd. | Ottawa |
| 884 | Jensen Hughes Consulting Canada Ltd. | Richmond |
| 885 | Jensen Hughes Consulting Canada Ltd. | Vancouver |
| 886 | Jensen Hughes Consulting Canada Ltd. | Vancouver |
| 887 | Jewell Engineering Inc. | Belleville |
| 888 | Jewell Engineering Inc. | Kingston |
| 889 | Jewell Engineering Inc. | Oakville |
| 890 | JNE Consulting Ltd. | Hamilton |
| 891 | JNE Consulting Ltd. | Burlington |
| 892 | JNE Consulting Ltd. | Livonia |
| 893 | John G. Cooke & Associates Ltd. | Hamilton |
| 894 | John G. Cooke & Associates Ltd. | Ottawa |
| 895 | Johnston-Vermette Groupe Conseil inc. | Trois-Rivières |
| 896 | JOMA Engineering Group Inc. | Dieppe |
| 897 | Journeaux Assoc. division Lab Journeaux inc. | Pointe-Claire |
| 898 | K. Smart Associates Limited | Sudbury |
| 899 | K. Smart Associates Limited | Kitchener |
| 900 | KBL Environmental | Yellowknife |
