Top 15 tech companies in Delaware
List of tech companies in Delaware
- W. L. Gore & Associates
- ILC Dover
- Qnity Electronics
- The Chemours Company
- InterDigital
- CSC (Corporation Service Company)
- Solenis
- Sallie Mae
- Best Egg
- EvonSys
- Diamond Technologies
- Carvertise
- Adesis
- Ardent Process Technologies
- Versogen
Delaware’s technology sector runs on materials science, financial technology and enterprise IT. Most of it sits in Wilmington, Newark and New Castle.
This guide lists 15 tech companies with a real operating presence in Delaware. Each one has an office, laboratory or plant in the state.
That distinction matters more here than anywhere else. Delaware is the most common state of incorporation in the country. A Delaware address is often just a registered agent’s mailbox.
Every entry below was checked against the company’s own site. Firms whose only tie to Delaware was a filing address were left out.
Delaware’s tech industry
Delaware is small, but its technology base is unusually deep for its size. Much of it traces back to the chemical and pharmaceutical research built up around DuPont.
That lineage now shows up in semiconductor materials, advanced polymers and clean energy hardware. Several of the firms below spun out of it directly.
The second pillar is finance. Delaware’s banking laws drew card issuers and lenders to Wilmington, and those operations now employ large engineering and data teams.
The state sits between Philadelphia, Baltimore and New York. That position gives employers a wide regional talent pool without big city costs.
Industry groups such as the Tech Council of Delaware coordinate training and hiring across the sector. The council exists to build a stronger local tech workforce.
The University of Delaware is the third pillar. Its STAR Campus in Newark hosts research tenants and start-ups that license university science.
Several companies on this list sit on or near that campus. The university supplies both the research and a steady flow of graduates.
Industries that tech companies in Delaware serve
Delaware technology firms cluster around a handful of end markets. These are the ones where the state has genuine depth.
Healthcare and life sciences
Delaware firms supply the materials and chemistry behind medical devices and drug manufacturing. Contract research and scale up work is concentrated in New Castle and Newark.
Software plays a supporting role here. Providers build systems that track batches, manage trials and improve the patient experience.
Finance and banking technology
Wilmington and Newark host lenders, card issuers and consumer fintechs. Their platforms handle origination, servicing, fraud screening and mobile banking.
Regulated work raises the bar on security. Many Delaware teams invest heavily in cybersecurity solutions and audit readiness.
Advanced materials and semiconductors
This is Delaware’s strongest technology cluster. Local firms make films, polymers, sealing materials and chemistries used in chip fabrication.
Demand from AI hardware and high performance computing has lifted the sector. Research sites in Wilmington and Newark feed plants across the state.
Enterprise IT and software services
Smaller Delaware providers handle managed IT, cybersecurity and custom builds for regional employers and state agencies.
Buyers here often want a partner in the same timezone. Several firms pair local account teams with wider software development capacity.
Clean energy and industrial processing
Membrane separation, carbon capture and hydrogen production are active areas in Delaware. Much of the work comes out of university and corporate laboratories.
These are hardware businesses first. Software supports process control, monitoring and performance modelling.
Where Delaware tech clusters sit
Use this to narrow your search before you shortlist. Each cluster sits in a different part of the state.
| Cluster | Main Delaware base | Typical capability |
|---|---|---|
| Advanced materials and semiconductors | Wilmington and Newark | Electronic films, polymers, sealing and process chemistry |
| Financial technology | Wilmington and Newark | Lending platforms, card issuing, servicing, fraud and data |
| Life sciences chemistry | New Castle and Newark | Contract research, custom synthesis, commercial scale up |
| Aerospace and protective systems | Frederica | Flexible materials, spacesuits, containment and hazmat gear |
| Enterprise IT services | Wilmington | Managed IT, cybersecurity, application support, VoIP |
| Clean energy hardware | Newark and New Castle | Electrolysers, membranes, carbon capture, separations |
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Top 15 tech companies in Delaware
These 15 companies all run offices, laboratories or plants inside Delaware. They are ordered by the depth of that presence, not by revenue.
1. W. L. Gore & Associates
W. L. Gore & Associates is a materials science company headquartered in Newark, Delaware. It has run its operations from the state since 1958.
Gore engineers high performance products from fluoropolymers. Its lines cover medical devices, aerospace and space qualified cables, filtration, sealing, venting and GORE-TEX fabrics.
The firm is privately held and employs roughly 10,000 associates worldwide. Its Delaware plants and laboratories remain the centre of that work.
2. ILC Dover
ILC Dover engineers products from flexible materials at its headquarters in Frederica, Delaware. It also manufactures in Texas and Switzerland.
Its best known work is pressurised spacesuits for NASA. The same materials expertise supports pharmaceutical powder containment and chemical protective equipment.
Ingersoll Rand bought ILC Dover from New Mountain Capital in March 2024 for $2.325 billion. The Delaware operation continues under that ownership.
3. Qnity Electronics
Qnity Electronics supplies materials used across the semiconductor value chain. Its global headquarters sits at Chestnut Run Innovation and Science Park in Wilmington.
The company separated from DuPont on 1 November 2025. It now trades on the New York Stock Exchange under the ticker Q.
Its product families include Kapton polyimide film, Pyralux laminates and Kalrez sealing materials. Research runs at the Experimental Station, with manufacturing sites in Newark.
4. The Chemours Company
The Chemours Company is a performance chemicals business. Its headquarters is at 1007 Market Street in Wilmington.
Chemours grew out of DuPont in 2015 and kept much of that research base. Its segments cover titanium technologies, thermal and specialised solutions, and advanced performance materials.
Its products end up in coatings, refrigerants, semiconductors and clean energy hardware. Much of the underlying science is still done in Delaware.
5. InterDigital
InterDigital runs wireless and video research from its headquarters at 200 Bellevue Parkway in Wilmington.
The company designs technology for mobile and video standards, then licenses it to device makers and service providers. Its work feeds into 5G, Wi-Fi and video coding standards.
It is a research and licensing business rather than a manufacturer. That makes it one of the state’s more unusual technology employers.
6. CSC (Corporation Service Company)
CSC, formally Corporation Service Company, is headquartered at 251 Little Falls Drive in Wilmington. It opened that purpose built campus in 2017.
The company builds software and services for entity management, compliance, tax, fund administration, domain security and cyber risk.
CSC operates in more than 140 jurisdictions through its own offices rather than franchises. Delaware remains its global base.
7. Solenis
Solenis runs its worldwide headquarters at 2475 Pinnacle Drive in Wilmington. It dedicated that building in 2020.
The company pairs water treatment and hygiene chemistry with digital monitoring and control systems. Customers include pulp and paper mills, food plants and institutional sites.
Solenis opened a global research centre in Wilmington in 2025. That keeps its core laboratory work in Delaware.
8. Sallie Mae
Sallie Mae is headquartered at 300 Continental Drive in Newark, Delaware. Its banking arm, Sallie Mae Bank, is chartered in the state.
The business lends for higher education and runs savings products. Both depend on in house digital origination, servicing and mobile banking platforms.
It is one of the larger technology employers in New Castle County. Engineering, data and security roles sit alongside the lending operation.
9. Best Egg
Best Egg is a consumer fintech based in the Wilmington area. It started as Marlette Funding in 2013 and adopted the Best Egg name in 2022.
The platform offers personal loans, a credit card and financial health tools. Underwriting and servicing run on technology the company builds itself.
Its Wilmington offices house product, engineering and data teams. The company has expanded its Delaware headcount steadily since 2019.
10. EvonSys
EvonSys is a digital transformation firm with its head office at 4550 New Linden Hill Road in Wilmington.
The company builds low code and AI assisted systems, with a focus on regulated industries. Typical projects cover onboarding, case management and process automation.
It reports more than 800 staff across eight locations. Buyers should note that most delivery happens offshore, with Wilmington acting as the commercial base.
11. Diamond Technologies
Diamond Technologies has worked from Delaware since 1996. Its office sits at 300 Water Street in Wilmington.
Services cover managed IT, cybersecurity, application support and development, VoIP and public sector solutions.
The firm serves the Mid-Atlantic, including Delaware, Pennsylvania, Maryland and New Jersey. It suits buyers who want a provider in the same timezone.
12. Carvertise
Carvertise is an advertising technology company at 974 Justison Street on the Wilmington Riverfront. It also runs an install facility on 6th Avenue.
The platform wraps rideshare vehicles in brand campaigns, then measures exposure through driver tracking and analytics.
Two University of Delaware students founded the company in 2012. It has stayed in Wilmington and now runs national campaigns.
13. Adesis
Adesis runs a contract development and manufacturing operation at 27 McCullough Drive in New Castle, Delaware. It also has a site in Ireland.
The company handles complex chemistry for pharmaceutical, medical device and specialty materials clients. Work spans discovery through to commercial scale up.
Adesis is owned by Universal Display Corporation. That link ties the Delaware laboratory directly into OLED display materials.
14. Ardent Process Technologies
Ardent Process Technologies develops membranes for difficult industrial separations. It operates from 15 Reads Way in New Castle, Delaware.
The company was formerly known as Compact Membrane Systems. Its technology is used in point source carbon capture, industrial dehydration and olefin separation.
It is a good example of Delaware deep tech. The science sits close to the state’s chemical engineering base.
15. Versogen
Versogen builds electrolyser systems that produce green hydrogen from water and renewable power. Its base is 591 Collaboration Way in Newark, Delaware.
That address is on the University of Delaware STAR Campus, which anchors much of the state’s research spin out activity.
The systems use patented anion exchange membranes and earth abundant materials. The aim is lower cost hydrogen without precious metal catalysts.
Frequently asked questions
Is a Delaware corporation the same as a Delaware tech company?
No. More than a million business entities are registered in Delaware, and most have no staff in the state.
A registered agent address in Wilmington, Dover, Lewes or Middletown proves only that a filing exists. It says nothing about where the work is done.
Ask where the delivery team actually sits before you sign anything.
How do I check that a vendor really operates in Delaware?
Look for a street address with a suite in a named office building or industrial park, not a numbered mailbox.
Cross check it against job adverts, the careers page and staff locations on LinkedIn. Real offices hire locally.
A short call asking which site your account team works from usually settles it.
Which parts of Delaware have the most tech employers?
Wilmington holds the largest concentration, covering fintech, materials science and enterprise IT.
Newark comes second, anchored by the University of Delaware STAR Campus and nearby manufacturing.
New Castle hosts chemistry and separations firms, and Frederica is home to ILC Dover.
What should I compare before choosing a Delaware tech partner?
Start with scope. Managed IT, product engineering and materials research are very different businesses.
Then compare delivery model, security posture, contract length and who owns the code or intellectual property.
Ask for two references doing work similar to yours, and speak to both.
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