National Radio Astronomy Observatory

National Radio Astronomy Observatory is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Laboratories Research & Development
• Observatories

North American Industry Classification System (NAICS) Categories:

• Research And Development In The Physical, Engineering, And Life Sciences > Commercial Physical Research > Laboratories Research & Development
• All Other Amusement And Recreation Industries > Astronomy & Observatories

Standard Industry Classification (SIC) Categories:

• Amusement And Recreation Services, Nec > Astronomy & Observatories
• Commercial Physical & Biological Research > Laboratories Research & Development