| 881 | Keller Engineering Associates Inc. | Ottawa |
| 882 | Keller Engineering Associates Inc. | Kingston |
| 883 | Kerr Wood Leidal Associates Ltd. | Burnaby |
| 884 | Kerr Wood Leidal Associates Ltd. | Nelson |
| 885 | Kerr Wood Leidal Associates Ltd. | Vernon |
| 886 | Kerr Wood Leidal Associates Ltd. | Victoria |
| 887 | Kerry T. Howe Engineering Limited | St. Catharines |
| 888 | KGS Group | Winnipeg |
| 889 | KGS Group | Mississauga, |
| 890 | KGS Group | Regina |
| 891 | KGS Group | Thunder Bay |
| 892 | Kiewit Engineering Group Canada ULC | Burnaby |
| 893 | Kirkland Engineering Ltd. | Peterborough |
| 894 | Klohn Crippen Berger Ltd. | Belo Horizonte, Minas Gerais |
| 895 | Klohn Crippen Berger Ltd. | Calgary |
| 896 | Klohn Crippen Berger Ltd. | Cuenca |
| 897 | Klohn Crippen Berger Ltd. | Edmonton |
| 898 | Klohn Crippen Berger Ltd. | Fredericton |
| 899 | Klohn Crippen Berger Ltd. | Lima |
| 900 | Klohn Crippen Berger Ltd. | Montreal |
