Lafarge North America
- 115 Quarry Park Road SE, Calgary, Alberta, Canada, T2C 5G9
- February 6, 2025
Lakeland College Environmental Sciences
- 5707 College Dr., Vermilion, Alberta, Canada, T9X 1K5
- February 6, 2025
LandSolutions LP
- 322 11 Ave SW, Calgary, Alberta, Canada, T2R 0C5
- 866-834-0008
- February 6, 2025
Laser Technologies, Inc.
- 1120 Frontenac Rd., Naperville, Illinois, USA, 60563
- February 6, 2025
Lauzon Ltd.
- 800-665-6765
- February 6, 2025
LEHDER Environmental Services Limited
- 704 Mara Street, Point Edward, Ontario, Canada, N7V 1X4
- February 6, 2025