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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
New England Mental HealthDarien, Connecticut, United States · Healthcare & Life ScienceNortheast Ophthalmic Plastic and Reconstructive SurgeonsFairfield, Connecticut, United States · Healthcare & Life ScienceDr Augustus MazzoccaFarmington, Connecticut, United States · Healthcare & Life ScienceWillimantic Smiles LLCWillimantic, Connecticut, United States · Healthcare & Life ScienceAlicia LainasFairfield, Connecticut, United States · Healthcare & Life ScienceJoel M Blumberg Md PCGreenwich, Connecticut, United States · Healthcare & Life ScienceRita Jones DMDHartford, Connecticut, United States · Healthcare & Life ScienceDr Harry M EudoweMadison, Connecticut, United States · Healthcare & Life ScienceDr Leo Millette, MDDanbury, Connecticut, United States · Healthcare & Life ScienceWilliam VacekGlastonbury, Connecticut, United States · Healthcare & Life ScienceDr William V TamborlaneNew Haven, Connecticut, United States · Healthcare & Life ScienceKimberly Ditolla, Od and Associates LLCNewington, Connecticut, United States · Healthcare & Life ScienceBecky MayerSouthbury, Connecticut, United States · Healthcare & Life ScienceHand CenterTolland, Connecticut, United States · Healthcare & Life ScienceColleen DibellaWest Hartford, Connecticut, United States · Healthcare & Life ScienceMohammadi, Abbas, DDSRocky Hill, Connecticut, United States · Healthcare & Life ScienceDr Peter E SchwartzNew Haven, Connecticut, United States · Healthcare & Life ScienceSusan MatlakNew Milford, Connecticut, United States · Healthcare & Life ScienceStephanie FowlerTorrington, Connecticut, United States · Healthcare & Life ScienceDr David S GalloMiddletown, Connecticut, United States · Healthcare & Life ScienceAegis Behavioral CareWethersfield, Connecticut, United States · Healthcare & Life ScienceCasiano Clinical Services LLCHartford, Connecticut, United States · Healthcare & Life ScienceJoan Treadow RWaterford, Connecticut, United States · Healthcare & Life ScienceRubin Fred GHartford, 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.