Summit Materials: Number of Employees 2013-2024 | SUM
- Summit Materials total number of employees in 2022 was 4,800, a 12.73% decline from 2021.
- Summit Materials total number of employees in 2021 was 5,500, a 8.33% decline from 2020.
- Summit Materials total number of employees in 2020 was 6,000, a 0% decline from 2019.