Cei

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

• Business Services
• Electronic Research Design & Development

North American Industry Classification System (NAICS) Categories:

• Research And Development In The Physical, Engineering, And Life Sciences > Technological Research & Development > Electronic Research & Development
• All Other Business Support Services

Standard Industry Classification (SIC) Categories:

• Business Services, Nec
• Commercial Physical & Biological Research > Technological Research & Development > Electronic Research & Development