Ppd

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

• Pharmaceutical Research
• Police Dept

North American Industry Classification System (NAICS) Categories:

• Research And Development In The Physical, Engineering, And Life Sciences > Commercial Physical Research > Pharmaceutical Research
• Police Protection > Police Department

Standard Industry Classification (SIC) Categories:

• Commercial Physical & Biological Research > Pharmaceutical Research
• Police Protection