Highest salary at Nsseo in year 2016 was $281,296. Number of employees at Nsseo in year 2016 was 207. Average annual salary was $54,653 and median salary was $54,430. Nsseo average salary is 17 percent higher than USA average and median salary is 25 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 11.5 percent, the median salary increased 7.9 percent.