About Us

Perritt Laboratories is a cGMP, ISO/IEC 17025 accredited laboratory providing child-resistant package testing and microbiological testing services.

Since 1973, we’ve tested thousands of different packaging systems for child-resistance and senior-use effectiveness in accordance with US and International standards.

We also specialize in microbiological testing for the pharmaceutical and consumer product industries. Our testing evaluates preservative efficacy, detects product contamination, and monitors controlled environments & purified water systems.

Perritt Laboratories combines expert testing with personalized service.

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News & Events

Perritt Laboratories holiday schedule:

In observance of the holiday season, our laboratory will be closed:

  • Thursday November 27, 2014 (Thanksgiving)
  • Friday November 28, 2014 (Day after Thanksgiving)
  • Thursday, December 25, 2014 (Christmas Day)
  • Friday, December 26, 2014 (Day after Christmas)
  • Friday, January 1, 2015 (New Years Day)

We will also be working a short day on Thursday, December 31, 2014 and will not be accepting samples after 12:00 noon.   Perritt Laboratories wishes everyone a healthy, happy and safe holiday and New Year!


Child-Resistant Packaging Today© 2015

We are almost ready to announce the date of this most popular seminar.  Contracts with the seminar site are expected to be signed and confirmed shortly.  Look for the registration announcement in early January 2014.  Hope to see you this spring!


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Child-resistant Packaging Today

Child in BoxFor the past 12 years, Perritt Laboratories has conducted an educational program on child-resistant packaging. Click the link below for more details.