Wjok

Wjok is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Radio Program Surveys

North American Industry Classification System (NAICS) Categories:

• Marketing Research And Public Opinion Polling > Market Analysis, Business & Economic Research > Survey Interviewing & Reports

Standard Industry Classification (SIC) Categories:

• Commercial Economic, Sociological & Educational Research > Market Analysis, Business & Economic Research > Survey Interviewing & Reports