317-622-8970Search all companies →Largest Healthcare & Life Science Companies in Connecticut (2026)
Factur's directory lists 67,135 healthcare & life science companies in Connecticut. These are the 10 largest of them by annual revenue, led by Priceline LLC ($10.7B), Hartford HealthCare Corp ($6B) and The Subway Group ($4.9B).
Size mix: of the 67,135 with a known headcount, 98.8% have 1-50 employees, 620 companies 51-200, 140 companies 201-1000, 28 companies 1001-5000 and 14 companies 5001+. 69 employ more than 500 people.
The 10 largest healthcare & life science companies in Connecticut by annual revenue
| # | Company | City | Employees | Annual revenue |
|---|---|---|---|---|
| 1 | Priceline LLC | Norwalk | 18,501 | $10.7B |
| 2 | Hartford HealthCare Corp | Hartford | 40,000 | $6B |
| 3 | The Subway Group | Shelton | 72,088 | $4.9B |
| 4 | Yale New Haven Health System | New Haven | 21,344 | $4.9B |
| 5 | Yale New Haven Hospital | New Haven | 18,364 | $4.2B |
| 6 | Mohegan Gaming & Entertainment | Uncasville | 21,966 | $3.5B |
| 7 | Nuvance Health | Danbury | 13,699 | $1.5B |
| 8 | Hartford HealthCare | Hartford | 10,000 | $1.5B |
| 9 | Hei Hotels Inc | Norwalk | 10,500 | $1.4B |
| 10 | Mohegan Sun | Uncasville | 8,000 | $1.3B |
How this list is ranked
Companies are ranked by annual revenue (USD) as recorded on each company's profile in the Factur directory, highest first; companies with the same revenue are ordered by employee count. Only companies with a positive revenue figure on file are ranked, so a large private company with no reported revenue can be missing. The list covers companies whose record places them in Connecticut and whose Factur industry is Healthcare & Life Science. Figures are a snapshot of the directory, refreshed when the rankings are regenerated; open a profile for its current data.