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Healthcare & Life Science Companies in Connecticut

67,135 companies in Healthcare & Life Science in Connecticut.

Explore 67,135 Healthcare & Life Science in Connecticut listed with contact details, employee size, revenue, and NAICS/SIC codes. Compare suppliers and service providers side by side and reach the right companies directly, or view the same industry in Healthcare & Life Science in California, Healthcare & Life Science in Florida, Healthcare & Life Science in Texas.

67,135Companies
69500+ employees
12$1B+ revenue
100%Revenue on file
Jul 17, 2026Last updated

Largest Healthcare & Life Science in Connecticut companies by revenue

The highest-revenue companies in this directory. Open any profile for its full firmographics.

#CompanyLocationEmployeesRevenue
1Priceline LLCNorwalk18,501$10.7B
2Hartford HealthCare CorpHartford40,000$6B
3The Subway GroupShelton72,088$4.9B
4Yale New Haven Health SystemNew Haven21,344$4.9B
5Yale New Haven HospitalNew Haven18,364$4.2B
6Mohegan Gaming & EntertainmentUncasville21,966$3.5B
7Nuvance HealthDanbury13,699$1.5B
8Hartford HealthCareHartford10,000$1.5B
9Hei Hotels IncNorwalk10,500$1.4B
10Mohegan SunUncasville8,000$1.3B
Dr Carolyn RambusGuilford, Connecticut, United States · Healthcare & Life Scienceshea ElizabethBranford, Connecticut, United States · Healthcare & Life ScienceBrian S Sheets, DOStamford, Connecticut, United States · Healthcare & Life ScienceDr Vanessa C PacholskiWest Hartford, Connecticut, United States · Healthcare & Life ScienceMarc LegrisSharon, Connecticut, United States · Healthcare & Life ScienceJoseph E Casino Md LLCStamford, Connecticut, United States · Healthcare & Life ScienceLavallee MichelleWaterbury, Connecticut, United States · Healthcare & Life ScienceRefine Medical AestheticsWestbrook, Connecticut, United States · Healthcare & Life ScienceTouchPoint MedicalNaugatuck, Connecticut, United States · Healthcare & Life ScienceDr Stanley David HudnallNew Haven, Connecticut, United States · Healthcare & Life ScienceObrien John W MdWest Haven, Connecticut, United States · Healthcare & Life ScienceJacenya Marie QuinonesWaterbury, Connecticut, United States · Healthcare & Life ScienceTimmerman Anne MMystic, Connecticut, United States · Healthcare & Life ScienceAdvanced Clinical Practice Seminars LLCDanbury, Connecticut, United States · Healthcare & Life ScienceIsenberg Gregory MdHartford, Connecticut, United States · Healthcare & Life ScienceNatural Living and Wellness LLCNew Haven, Connecticut, United States · Healthcare & Life ScienceNewington Behavioral HealthNewington, Connecticut, United States · Healthcare & Life ScienceInternal Medicine ServicesNorwalk, Connecticut, United States · Healthcare & Life ScienceJourney to Wellness LLCWoodbridge, Connecticut, United States · Healthcare & Life ScienceDr Stephen T Sinatra, MDManchester, Connecticut, United States · Healthcare & Life ScienceErica QuartaroneNorwalk, Connecticut, United States · Healthcare & Life ScienceJohnson MedtechShelton, Connecticut, United States · Healthcare & Life ScienceConcierge Physical Therapy PLLCDarien, Connecticut, United States · Healthcare & Life ScienceColberg John W MDNew Haven, Connecticut, United States · Healthcare & Life Science
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Healthcare & Life Science in Connecticut companies by size and revenue

By number of employees
EmployeesCompaniesShare
1-5066,33398.8%
51-2006200.9%
201-10001400.2%
1001-5000280.0%
5001+140.0%
By annual revenue
RevenueCompaniesShare
Under $10M66,65499.3%
$10M-$50M3590.5%
$50M-$250M750.1%
$250M-$1B230.0%
$1B+120.0%

Share is of companies with a known value — 67,135 with headcount and 67,123 with revenue on file, as of Jul 17, 2026.

Frequently asked questions

How many Healthcare & Life Science in Connecticut are there?

There are 67,135 Healthcare & Life Science in Connecticut in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.

How many large companies are in Healthcare & Life Science in Connecticut?

69 of the 67,135 companies in Healthcare & Life Science in Connecticut employ more than 500 people, and 12 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.

What size are most Healthcare & Life Science in Connecticut 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 67,123 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.