Highest salary at Holley in year 2012 was $70,704. Number of employees at Holley in year 2012 was 21. Average annual salary was $23,199 and median salary was $23,383. Holley average salary is 51 percent lower than USA average and median salary is 46 percent lower than USA median salary. From 2011 to 2012, the average salary of employees at this employer increased 2.7 percent, the median salary increased 4.3 percent.