The 2016 IndustryWeek Salary Survey was conducted online via emailed invitations to subscribers. The survey took place from November to January 2016. A total of 1,164 surveys were returned. Respondents were not compensated but were offered the chance to provide candid comments regarding their salaries, occupations and employers. The candid comments may have been lightly edited, primarily for spelling. All responses were anonymous. Percentages may not equal 100% due to rounding.