Top Companies in Connecticut
Largest Connecticut business entities by revenue. Filter by employee size or sort by different criteria.
| Company Name | Country | City | Address 1 | Phone | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | CCO Holdings Capital CORP. | *****@***.*** | USA | Stamford | 400 Atlantic St | +** ******** | Fairfield | 06901 | spectrumreach.***** | 2003 | $54,607,000,000 | 338 | N/A | N/A | 3703982 |
| 2 | Equinor Natural Gas LLC | ******@****.*** | USA | Stamford | 600 Washington Blvd 8th Fl | +** ********* | Fairfield | 06902 | equinor.***** | 2003 | $2,408,474,000 | 15 | N/A | N/A | 3639479 |
| 3 | Americares Foundation, INC. | *******@*****.*** | USA | Stamford | 88 Hamilton Ave | +** ******** | Fairfield | 06902 | americares.***** | 1982 | $1,560,789,806 | 231 | N/A | N/A | 0095105 |
| 4 | Hospital Of Central Connecticut | ********@******.*** | USA | New Britain | 100 Grand St | +** ********* | Hartford | 06050 | thocc.***** | 1983 | $740,893,645 | 2,500 | N/A | N/A | N/A |
| 5 | Travelers Casualty Insurance Company Of America | *********@*******.*** | USA | Hartford | 1 Tower Sq | +** ******** | Hartford | 06183 | travelers.***** | 2025 | $690,056,525 | 21 | N/A | N/A | 0768991 |
| 6 | Svmc Holdings, INC. | **********@********.*** | USA | Bridgeport | 2800 Main St | +** ********* | Fairfield | 06606 | N/A | 2018 | $616,264,745 | 1 | N/A | N/A | 1285886 |
| 7 | Midstate Medical Center | ***********@***.*** | USA | Meriden | 435 Lewis Ave | +** ******** | New Haven | 06451 | midstatemedical.***** | 1885 | $478,470,804 | 900 | N/A | N/A | 0159143 |
| 8 | Oxford Lane Capital CORP. | ************@****.*** | USA | Greenwich | 8 Sound Shore Dr Ste 255 | +** ********* | Fairfield | 06830 | oxfordlanecapital.***** | 2010 | $430,539,101 | 5 | N/A | N/A | D13608880 |
| 9 | Travelers Indemnity Company Of Connecticut | *****@*****.*** | USA | Hartford | 1 Tower Sq | +** ******** | Hartford | 06183 | travelers.***** | 2025 | $346,292,103 | 21 | N/A | N/A | 060336212 |
| 10 | The Charter Oak Fire Insurance Company | ******@******.*** | USA | Hartford | 1 Tower Sq | +** ********* | Hartford | 06183 | travelers.***** | 2025 | $321,015,307 | 6 | N/A | N/A | 060291290 |
Connecticut-Companies.csv
Connecticut Business Entity Search
Looking up a Connecticut business entity? Our database lets you search by company name or registration number and get instant results — including the company's registered address, entity type (LLC, Corporation, etc.), founding year, industry classification, and employee count.
This is a faster alternative to the Connecticut Secretary of State's official filing database, with additional data fields like revenue estimates and corporate hierarchy that state registries don't provide. Results cover both active and inactive entities.
What you can look up
- Registered business address
- Entity type (LLC, Corp, LP, etc.)
- Registration / filing number
- Founding year & status
- Industry classification (SIC/NAICS)
Additional data available
- Employee count & revenue estimates
- Corporate hierarchy & parent company
- Email & phone (with data license)
- Website & trade names
- Bulk export to CSV
Related searches
connecticut secretary of state business searchconnecticut company searchconnecticut corporate searchconnecticut llc searchconnecticut business name search