Highest salary at Addison in year 2010 was $60,579. Number of employees at Addison in year 2010 was 17. Average annual salary was $31,383 and median salary was $37,966. Addison average salary is 33 percent lower than USA average and median salary is 13 percent lower than USA median salary. From 2009 to 2010, the average salary of employees at this employer increased 13.4 percent, the median salary increased 33.5 percent.