Pacific BioLabs, Inc. (PBL) is an independent family-owned and operated preclinical contract research organization (CRO) founded over 50 years ago to provide comprehensive testing services to the biopharmaceutical and medical device industries.

Based in the San Francisco, CA Bay area, PBL is strategically located to deliver in vivo, microbiology, analytical, and cell-based testing services to a diverse client base from startups to Fortune 500 entities.