FactoryRegistry

Manufacturing in New Castle County, Delaware

As of JUL 2026, FactoryRegistry lists 383 manufacturing facilities in New Castle County, Delaware, sourced from EPA, OSHA and Census records.

FACILITIES
383
CITIES
10
TOP INDUSTRY
Chemical Manufacturing
104 facilities

Cities

Wilmington (107)Newark (94)New Castle (67)Middletown (23)Newark (17)Bear (16)Claymont (12)Newport (9)Delaware City (8)New Castle (7)

Top industries

Chemical Manufacturing (104)Fabricated Metal Product Manufacturing (42)Computer and Electronic Product Manufacturing (38)Miscellaneous Manufacturing (36)Plastics and Rubber Products Manufacturing (35)Machinery Manufacturing (24)

Facilities

Polymer Technologies INC
Newark, DE
ACTIVE326150EMP 20-99
Avkin INC
Newport, DE
ACTIVE333318EMP 20-99
Kalrez Usa, LLC
Newark, DE
ACTIVE325180EMP 100-499
Precision Airconvey LLC
Newark, DE
ACTIVE333998EMP 20-99
A&f Machine Development LLC
Newark, DE
LIKELY ACTIVE332710
Agrorefiner, LLC
New Castle, DE
LIKELY ACTIVE325222EMP 20-99
Amazon.com Services LLC - Phl7
Middletown, DE
LIKELY ACTIVE323117
Delaware City Refining CO LLC
Delaware City, DE
LIKELY ACTIVE324110EMP 500+
Delstar Technologies INC
Middletown, DE
LIKELY ACTIVE326113EMP 100-499
Duhadaway Tool & Die Shop INC
Newark, DE
LIKELY ACTIVE332710
Franklin Fibre-lamitex CORP
Wilmington, DE
LIKELY ACTIVE325211
Kuehne Chemical Company INC
New Castle, DE
LIKELY ACTIVE325180EMP 20-99
Liveo Research INC.
New Castle, DE
LIKELY ACTIVE325211EMP 20-99
Noramco LLC
Wilmington, DE
LIKELY ACTIVE325411
Summit Steel, INC.
New Castle, DE
LIKELY ACTIVE332312
Sun Chemical
Newport, DE
LIKELY ACTIVE325130EMP 100-499
V & S Delaware Galvanizing LLC
New Castle, DE
LIKELY ACTIVE332812EMP 20-99
Wl Gore & Associates INC
Newark, DE
LIKELY ACTIVE334417
212 Pharma LLC
Newark, DE
LIKELY ACTIVE325411
240 Lisa Dr
New Castle, DE
LIKELY ACTIVE337212EMP 20-99
373 New Castle DE
New Castle, DE
LIKELY ACTIVE311811EMP 20-99
Advanced Materials Technology, INC
Wilmington, DE
LIKELY ACTIVE325199
Af3, INC.
Bear, DE
LIKELY ACTIVE325998
Agilent Technologies INC
Wilmington, DE
LIKELY ACTIVE334516
Airjoule, LLC
Newark, DE
LIKELY ACTIVE333310
Air Liquide Advanced Separations
Newport, DE
LIKELY ACTIVE325220EMP 100-499
Allied Precision, INC.
Middletown, DE
LIKELY ACTIVE332721
Alpteknik Usa, INC.
Wilmington, DE
LIKELY ACTIVE336413
Altium Packaging - Newark Plant
Newark, DE
LIKELY ACTIVE326199EMP 20-99
Alvatek Electronics LLC
Wilmington, DE
LIKELY ACTIVE334417
Ancar Enterprises LLC
Newark, DE
LIKELY ACTIVE323111
Another Chance LLC
Wilmington, DE
LIKELY ACTIVE325413
Apex Heavy Duty Pumps LLC
Middletown, DE
LIKELY ACTIVE333914
Apex Manufacturing Group INC
Newark, DE
LIKELY ACTIVE332710
Applied Diamond, INC
Wilmington, DE
LIKELY ACTIVE334419
Aracent Healthcare, LLC
Wilmington, DE
LIKELY ACTIVE339113
Arihant Enterprise LLC
Bear, DE
LIKELY ACTIVE323111
Arkion Life Sciences LLC
New Castle, DE
LIKELY ACTIVE325320
Associates International INC
Wilmington, DE
LIKELY ACTIVE323120
AstraZeneca Newark Facility
Newark, DE
LIKELY ACTIVE325412EMP 100-499
Astrazeneca Pharmaceuticals LP
Wilmington, DE
LIKELY ACTIVE325412
Asw Machinery, INC
New Castle, DE
LIKELY ACTIVE333243
Aurista Technologies, INC
Claymont, DE
LIKELY ACTIVE339910
Barry USA INC
Newark, DE
LIKELY ACTIVE314999
Brandywine Product Group International, INC.
Wilmington, DE
LIKELY ACTIVE339999
Brickner Industrial Ne INC
Claymont, DE
LIKELY ACTIVE332919
Bronswerk Marine Corporation
Newark, DE
LIKELY ACTIVE333415
Buchi CORP
Historic New Castle, DE
LIKELY ACTIVE334516
Building Concepts of America, INC.
Newark, DE
LIKELY ACTIVE332311
B & W Tek INC
Newark, DE
LIKELY ACTIVE334510