Opinions

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

• Business Services
• Research & Development Bureaus
• Electronic Parts & Equipment

North American Industry Classification System (NAICS) Categories:

• Other Electronic Parts And Equipment Merchant Wholesalers
• Research And Development In The Social Sciences And Humanities
• All Other Business Support Services

Standard Industry Classification (SIC) Categories:

• Electronic Parts & Equipment
• Business Services, Nec
• Commercial Economic, Sociological & Educational Research