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182,448 companies in Delaware.
Discover 182,448 companies headquartered in Delaware, spanning manufacturing, construction, and industrial sectors. Browse by city — including Wilmington, Dover, Newark or by industry, and open any profile for its location, website, size, and NAICS/SIC classification.
Largest Delaware companies by revenue
The highest-revenue companies in this directory. Open any profile for its full firmographics.
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | 21st Century Insurance Co | Wilmington | 24,000 | $22.4B |
| 2 | The Innovation Space | Wilmington | 38,000 | $13B |
| 3 | Innovationcccc | Wilmington | 38,000 | $13B |
| 4 | Muller UK & Ireland Group LLP | — | 32,000 | $10.1B |
| 5 | Elite Pt Llc | Rehoboth Beach | 50,000 | $10B |
| 6 | Legum & Norman, Inc. | Bethany Beach | 50,000 | $10B |
| 7 | Dupont | Wilmington | 35,000 | $10B |
| 8 | Ashland Products Co Inc | Wilmington | 5,000 | $10B |
| 9 | Hawker Beechcraft Services | New Castle | 5,000 | $10B |
| 10 | Eqt Energy, Llc | Wilmington | 1,000 | $10B |
Delaware companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 174,227 | 96.5% |
| 51-200 | 5,114 | 2.8% |
| 201-1000 | 1,066 | 0.6% |
| 1001-5000 | 115 | 0.1% |
| 5001+ | 40 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 170,167 | 96.4% |
| $10M-$50M | 5,311 | 3.0% |
| $50M-$250M | 844 | 0.5% |
| $250M-$1B | 121 | 0.1% |
| $1B+ | 66 | 0.0% |
Share is of companies with a known value — 180,562 with headcount and 176,509 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many companies are based in Delaware?
182,448 companies in the directory are headquartered in Delaware, browsable by city or by industry.
How many large companies are in Delaware?
392 of the 182,448 companies in Delaware employ more than 500 people, and 66 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Delaware companies?
Most are small and mid-sized businesses: the size and revenue tables above show the full spread, from under $10M up to $1B+, across the 176,509 companies with revenue on file.
What information is included for each company?
Every listing includes the company name, location, website, employee size, revenue range where available, and NAICS/SIC classification, with a link to the full profile.
Where does this directory come from?
Listings are compiled and maintained by Factur, a sales and marketing firm for B2B manufacturers. Any company can request an update or removal from its profile page.