| 1161 | RD Énergie | Québec |
| 1162 | Ready Engineering Corporation | Spruce Grove |
| 1163 | Ready Engineering Corporation | Lethbridge |
| 1164 | Ready Engineering Corporation | Lethbridge |
| 1165 | Ready Engineering Corporation | Olympia |
| 1166 | Ready Engineering Corporation | Olympia |
| 1167 | Ready Engineering Corporation | Spruce Grove |
| 1168 | Reinders + Rieder Ltd. | Brampton |
| 1169 | REMISZ Consulting Engineers Ltd. | Ottawa |
| 1170 | Rempel Engineering & Management Ltd. | Saskatoon |
| 1171 | Resource Management International Inc. | Lashburn |
| 1172 | Resource Management International Inc. | Yorkton |
| 1173 | Ritenburg & Associates Ltd. | Regina |
| 1174 | Ritenburg & Associates Ltd. | Saskatoon |
| 1175 | RJC Engineers | Vancouver |
| 1176 | RJC Engineers | Calgary |
| 1177 | RJC Engineers | Edmonton |
| 1178 | RJC Engineers | Kelowna |
| 1179 | RJC Engineers | Kingston |
| 1180 | RJC Engineers | Kitchener |
