Highest salary at Westerlo in year 2024 was $63,805. Number of employees at Westerlo in year 2024 was 23. Average annual salary was $29,937 and median salary was $32,975. Westerlo average salary is 36 percent lower than USA average and median salary is 24 percent lower than USA median salary. From 2023 to 2024, the average salary of employees at this employer increased 11.8 percent.