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Nelson Laboratories Fairfield, New Jersey, USA
(Formerly Gibraltar Laboratories)

Gibraltar Laboratories is now Nelson Laboratories Fairfield
Effective 02 January 2020, Gibraltar Laboratories is now officially Nelson Laboratories Fairfield, Inc. Please review the press release to learn how to update your account and billing accordingly.

Read The Press Release

Download the new W-9 Form

Facility Address

Nelson Labs Fairfield – Audits
122 Fairfield Road
Fairfield, NJ 07004-2405

Nelson Labs Fairfield – Sample Delivery
16 Montesano Road
Fairfield, NJ 07004-2405

Hours of Operation

Weekdays 8:30am-5:00pm

Holiday Closure Dates

New Year’s Day – January 01, 2021
Memorial Day – May 31, 2021
Independence Day – July 05, 2021
Labor Day – September 06, 2021
Thanksgiving Day – November 25, 2021
Day After Thanksgiving – November 26, 2021
Christmas Eve – December 23, 2021
Christmas Day – December 24, 2021
New Years’ Day – January 03, 2022


+1 (973) 227-6882




Nelson Labs Fairfield is ISO 17025, GMP & GLP certified, and FDA registered.

Certification Packet

Qualification Packet
(The Fairfield, NJ locations meet the Nelson Labs’ site qualifications standards)

Terms & Conditions

Nelson Labs acquired New Jersey-based Gibraltar Laboratories in August 2018 and renamed them Nelson Laboratories Fairfield in January 2020.

Nelson Labs Fairfield is a leading outsource provider of microbiology and analytical chemistry testing for pharmaceutical and medical device manufacturers and is known for USP compendial microbiology, sterility assurance, and analytical chemistry testing.

Download the brochure to view the Unique Services of the two Nelson  Laboratories Fairfield, NJ, USA locations.

Nelson Labs Fairfield (NLF) would like to inform you of internal changes to the methodology for calculating bioburden results. These changes are based on the global harmonized bioburden procedure, STP0036, and are driven significantly by the ISO bioburden standard, 11737-1:2018. To learn more, read the full memo.

Testing Services


At Nelson Labs, help is never more than a click or call away. From Sample Submission to Sterilization and everything in between, we invite you to contact our team today.
Contact Us Today