Highest salary at Porter in year 2010 was $61,244. Number of employees at Porter in year 2010 was 20. Average annual salary was $28,489 and median salary was $30,209. Porter average salary is 39 percent lower than USA average and median salary is 31 percent lower than USA median salary. From 2009 to 2010, the average salary of employees at this employer increased 3.5 percent, the median salary increased 7.0 percent.