| 901 | Kiewit Engineering Group Canada ULC | Burnaby |
| 902 | Kirkland Engineering Ltd. | Peterborough |
| 903 | Klohn Crippen Berger Ltd. | Belo Horizonte, Minas Gerais |
| 904 | Klohn Crippen Berger Ltd. | Calgary |
| 905 | Klohn Crippen Berger Ltd. | Cuenca |
| 906 | Klohn Crippen Berger Ltd. | Edmonton |
| 907 | Klohn Crippen Berger Ltd. | Fredericton |
| 908 | Klohn Crippen Berger Ltd. | Lima |
| 909 | Klohn Crippen Berger Ltd. | Montreal |
| 910 | Klohn Crippen Berger Ltd. | Nanaimo |
| 911 | Klohn Crippen Berger Ltd. | Phoenix |
| 912 | Klohn Crippen Berger Ltd. | Queensland |
| 913 | Klohn Crippen Berger Ltd. | Saskatoon |
| 914 | Klohn Crippen Berger Ltd. | Sudbury |
| 915 | Klohn Crippen Berger Ltd. | Toronto |
| 916 | Klohn Crippen Berger Ltd. | Vancouver |
| 917 | Klohn Crippen Berger Ltd. | Western Australia |
| 918 | Klohn Crippen Berger Ltd. | York |
| 919 | Knight Piesold Ltd. | North Bay |
| 920 | Knight Piesold Ltd. | Vancouver |
