Manufacturing in Mercer County, New Jersey

The register lists 269 facilities in Mercer, New Jersey. The Bureau of Labor Statistics counted 306 establishments in Mercer. Chemical Manufacturing is an industry with 70 facilities listed in the register.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and benchmark

Biggest cities

Trenton82 Princeton32 Hamilton28 Ewing27 Pennington14 East Windsor13 Robbinsville11 Lawrenceville8 Princeton Junction7 Hopewell6 Hightstown5 Hamilton Twp5

Federal labor statistics counted at least 306 manufacturing establishments in Mercer County in 2025, employing about 9,297 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 269, about 88% of that figure.

Facilities11 FACILITIES

Listing 11 of 14: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Industry	NAICS	Employees	Status
Kooltronic, INC.	Pennington	Machinery Manufacturing	333415	20–99	ACTIVE
Oavco LLC	Pennington	Transportation Equipment Manufacturing	336413	1–19	ACTIVE
Sympatec INC	Pennington	Computer and Electronic Product Manufacturing	334516	1–19	ACTIVE
Zydus Pharmaceuticals (usa) INC.	Pennington	Chemical Manufacturing	325412	100–499	ACTIVE
Igolgi INC.	Pennington	Computer and Electronic Product Manufacturing	334310	—	ACTIVE
Metricon CORP	Pennington	Computer and Electronic Product Manufacturing	334516	—	ACTIVE
Probio INC.	Pennington	Chemical Manufacturing	325414	—	ACTIVE
Diversatech INC.	Pennington	Fabricated Metal Product Manufacturing	332322	1–19	LIKELY ACTIVE
Trap Rock Industries Pennington Plnt	Pennington	Petroleum and Coal Products Manufacturing	324121	—	LIKELY ACTIVE
Bristol-myers Squibb Company	Pennington	Chemical Manufacturing	325412	—	LIKELY ACTIVE
Enzene	Pennington	Chemical Manufacturing	325414	1–19	LIKELY ACTIVE

Search all 7,504 New Jersey facilities