• 122 Fairfield Road, Fairfield NJ, 07004
  • (877) 315-5847

All educational information found on this website can now be found at NelsonLabs.com

At Gibraltar Laboratories, Our Passion is Science


ISO Certified for GLP & GMP studies.


Expertise in wet & analytical chemistry.

Welcome to Gibraltar Labs

With an outstanding reputation for customer service, quality research, quality control and testing in stem cells, bacteriology, mycology, virology, chemistry, cleaning validations and in vitro toxicology, Gibraltar Laboratories has set the Gold Standard for contract laboratories. Gibraltar Laboratories proudly serves the pharmaceutical, medical device, orthopedic, tissue bank, biopharmaceutical, chemical, and cosmetic industries. The company, headed by Daniel L. Prince, Ph.D., operates approximately 40,000 square foot laboratories in Fairfield, New Jersey.

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What has been said

“Gibraltar Laboratories has provided outstanding microbiology services for routine sterility product release and endotoxin testing as well as innovative research for decades. I have worked with Gibraltar for this time span and the companies I have been associated with have benefited greatly…”

“Caldwell University biology students’ had a great experience at their one week summer internships with Gibraltar Laboratories, Inc. They enjoyed working with the on-site co-advisors: Dr. Daniel Prince and Dr. Herbert Prince. The instructing team introduced our college students to the invaluable experience of working in a regulated professional environment in molecular and microbiology applications…”

“It has been a delight getting to know and to work with you and the personnel at Gibraltar. If I can be of any assistance to you in the future, please do not hesitate to give me a call. I will be more than happy to speak to any new potential client for Gibraltar as to the excellent service and technical support that you provide to the Pharma Industry…”

“Gibraltar Laboratories was instrumental in EIJ Industries obtaining our EPA Registration of our new sanitizer product. It’s rare to find a group like the one at Gibraltar Laboratories. They combine outstanding customer service, better performance, expert knowledge and competitive pricing…”