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Public record · Delaware

New Castle County: 519 companies on record.

The companies the public registers place in New Castle County, Delaware, by sector, as DealSTE read them — read 10 Nov 2026. Each opens on its own record page: registration, sites, permits, liens and compliance, each with its register.

By sector
SectorCompanies
Defense and federal contracting228
Manufacturing82
Auto services — repair, collision, tire67
Professional services — accounting, engineering, insurance27
Healthcare — medical, dental & home health20
Distribution & wholesale19
Retail — specialty, convenience & liquor17
Trades — HVAC, plumbing, electrical, mechanical16
IT & managed services11
Trucking8
Waste hauling, roll-off & recycling6
Staffing5
Commercial & specialty contracting5
Landscaping, lawn care & grounds3
Commercial cleaning & facilities services2
Home construction & remodeling2
Pest control1
The companies — the first 50 of 519, as the map lists them
CompanySectorCity
Dassault Falcon Jet - Wilmington Corp.ManufacturingNew Castle
Vossloh North AmericaManufacturingBear
Printed Solid IncManufacturingWilmington
Techmer PMManufacturingNew Castle
Franklin FibreManufacturingWilmington
Zacros America, Inc.ManufacturingNewark
AWSM SolutionsManufacturingBear
AgroRefiner, LLCManufacturingNew Castle
Air LiquideManufacturingNewport
Corporate Interiors INCDefense & federal contractingNew Castle
Djo, LLCManufacturingNew Castle
Liveo ResearchManufacturingNew Castle
Nichino AmericaManufacturingWilmington
Polymer Technologies IncManufacturingNewark
Romer Labs - A DSM CompanyManufacturingNewark
Sepax Technologies IncManufacturingNewark
Summit Steel, Inc.ManufacturingNew Castle
V&S Delaware Galvanizing LLCManufacturingNew Castle
Vibrantz TechnologiesManufacturingNew Castle
A & H Metals, Inc.ManufacturingNewark
Avkin INCDefense & federal contractingNewport
BAYSHORE FORD TRUCK SALES INCDistribution & wholesaleNEW CASTLE
Contractors Materials LLCManufacturingNew Castle
Corporate Interiors, Inc.ManufacturingNew Castle
Hia Velo, LLCManufacturingMiddletown
LanxessManufacturingWilmington
Polymer Technologies INCDefense & federal contractingNewark
Precision AirConvey CorporationManufacturingNewark
SK CapitalManufacturingWilmington
Avkin Inc.ManufacturingNewport
McClafferty Printing CompanyManufacturingWilmington
Blueline Global Technologies LLCDefense & federal contractingWilmington
Carlyle Cocoa Company LLCManufacturingSwedesboro
Eagle Erectors, Inc.ManufacturingBear
LindeManufacturingDelaware City
Rogers CorporationManufacturingBear
Advant-edge Solutions Of Middle Atlantic INCDefense & federal contractingNewark
Applied Diamond, Inc.ManufacturingWilmington
Ashland Inc.ManufacturingWilmington
Frontier Technologies INCDefense & federal contractingWilmington
Samtec, Inc.ManufacturingNewark
B & W Tek INCDefense & federal contractingNewark
Bancroft Valiant Joint Venture LLCDefense & federal contractingWilmington
B&W Tek IncManufacturingNewark
CAN-DO CONSTRUCTION CO.Home construction & remodelingWILMINGTON
Christiana MallCommercial cleaning & facilities servicesNEWARK
FARRELL ROOFING INCTrades — HVAC, plumbing, electrical, mechanicalMIDDLETOWN
Fujifilm Imaging ColorantsManufacturingNew Castle
Inkit Inc.Defense & federal contractingWilmington
Lasso Informatics US INCDefense & federal contractingNewark

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