Sigma Marketing

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

• Advertising Services
• Research & Development Bureaus

North American Industry Classification System (NAICS) Categories:

• Research And Development In The Social Sciences And Humanities
• Other Services Related To Advertising

Standard Industry Classification (SIC) Categories:

• Advertising, Nec
• Commercial Economic, Sociological & Educational Research