Certified Laboratories

About Certified Laboratories

As part of Certified Group, Certified Laboratories and Food Safety Net Services (FSNS) work together to deliver technical solutions and quality testing our customers can feel confident in – on time, every time – So the World Can Trust in What it Consumes™. Our North American network of 30+ ISO 17025-accredited labs serves many regulated industries, including beef, dairy, poultry, pet food, spices, seafood, nuts, produce, FDA imports, and ready-to-eat foods.

Certified Laboratories also provides a full range of laboratory testing solutions for the cosmetic, over-the-counter (OTC), dietary supplements, and botanicals industries, including microbiology, chemistry, in-package stability, and sterility testing.

History of Certified Laboratories

Certified Laboratories

Certified Laboratories was established in New York City by Dr. Charles Paley in 1926. It was known for its strong focus on dairy testing. Over our long history, Certified Laboratories expanded its analytical testing to a full service testing facility through organic growth:


Fitelson Laboratories in New York acquired in 1987 • Commodity Laboratories acquired in 1989
Liuzzi Laboratories acquired in 1994 • Millennium Microbiology acquired in 1997
Bacti-Chem Labs of NY, Inc. acquired in 2006

Certified Laboratories of California

Columbia Food Laboratories was originally founded in 1982. In 2001, Certified Laboratories purchased Columbia Food Laboratories.

Certified Laboratories of Northern California

Certified Laboratories of Northern California opened its doors in Merced. It has since then, relocated to Turlock, California. The laboratory shares its expertise in food microbiology, chemistry and environmental services with a growing list of delighted clients.

Certified Food Safety Center

In, 2010, Certified Laboratories acquired the company known as, Food Safety and Process Technology. The company was then renamed The Certified Food Safety Center and is based at our Turlock Laboratory. The Center’s core focus is food safety projects including validation services, process authority work, challenge studies, identification of foreign matter and consulting.

Certified Laboratories of the Midwest

Our newest member of the family, Certified Laboratories of the Midwest opened its doors in Bolingbrook, Illinois; a suburb of Chicago. The laboratory offers a full range of food chemistry and microbiological testing services and also a molecular identification laboratory.

Certified Group

Certified Laboratories joins Certified Group, expanding our product offerings and diversifying our services across a North American network of 30+ ISO 17025-accredited laboratories.

Please visit our news section to keep up to date on our rapid development and expansion.

We invite you to come in and visit our state-of-the-art facilities.

We are confident that Certified Laboratories will exceed the expectations you have for a contract-testing laboratory.