These companies with mobile apps in Connecticut represent a mix of established players across diverse sectors, including manufacturing, financial services, and healthcare. Notable examples include Xerox, a provider of workplace technology solutions, and Cigna Healthcare, a benefits provider. Synchrony offers consumer financing solutions, while HARMAN International designs and manufactures premium audio products and automotive electronics. Stamford Health is a not-for-profit healthcare organization, and KAYAK is a global leader in travel search.
A significant number of these companies are headquartered in Stamford, indicating a concentration of business activity in that city. This includes financial services firms like Synchrony and Interactive Brokers, as well as technology companies such as HARMAN International and KAYAK. The presence of both large corporations and more recent ventures suggests a varied business landscape in the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 47,247 | ||||
| 2 |
Cigna Healthcarecigna.com
Benefits provider, guides customers through healthcare system, empowering them with information and insight to improve health and vitality. |
29,662 | |||
| 3 |
Stanley Black & Decker, Inc.stanleyblackanddecker.com
Provider of tools, fasteners, and infrastructure systems supporting home repair, automotive security, construction, and energy industries with innovation and safety. |
29,460 | |||
| 4 |
HARMAN Internationalharman.com
Designs and manufactures premium audio products and automotive electronics, enabling smarter, safer, and immersive in-cabin vehicle experiences worldwide. |
27,936 | |||
| 5 |
Booking Holdings (NASDAQ: BKNG)bookingholdings.com
Global provider of online travel & related services, offering booking options in over 220 countries through multiple brands, operating in 40+ languages worldwide |
18,737 | |||
| 6 |
Synchronysynchrony.com
provides consumer financing solutions enabling millions to access essential needs and connects them with small businesses and health providers |
16,106 | |||
| 7 |
ESPNjobs.disneycareers.com
Leading multinational sports entertainment company with a wide range of multimedia assets including TV networks, radio, online platforms, magazines, and sports-themed restaurants |
11,732 | |||
| 8 |
Webster Bankwebsterbank.com
A leading commercial bank providing financial solutions to businesses, individuals, and families through digital and traditional services in three distinct lines of business |
5,616 | |||
| 9 |
Moheganmohegangaming.com
This company owns, develops, and manages entertainment resorts and provides online gaming solutions, with operations in the US, Canada, and South Korea |
3,962 | |||
| 10 |
Interactive Brokersinteractivebrokers.com
Provides automated trade execution and custody for diverse financial instruments across global markets, offering advanced tools and research at low cost. |
3,506 | |||
| 11 |
Stamford Healthstamfordhealth.org
A not-for-profit healthcare organization in Stamford, CT providing high-quality health & wellness services, specialized orthopedic care, cancer treatment, and medical education |
2,565 | |||
| 12 |
People's United Bank, N.A.mtb.com
A regional bank offering commercial and retail banking, wealth management services, with over 400 locations across the Northeast |
2,555 | |||
| 13 |
Foxwoods Resort Casinofoxwoods.com
Premier resort destination offering gaming, hotels, restaurants, spas, golf, theaters, and retail Provides convention and meeting space in Northeast Large employer in Connecticut |
2,384 | |||
| 14 |
Gexprogexpro.com
A global electrical distributor providing supplies, solutions, and support to customers, with specialized services for industrial equipment parts and supply chain management |
1,275 | |||
| 15 | 1,104 | ||||
| 16 |
Liberty Bank - CTliberty-bank.com
Provides consumer and commercial banking, mortgages, loans, insurance, investments, and cash management services across Connecticut and Massachusetts. |
949 | |||
| 17 |
Sterling National Bankwebsterbank.com
A leading commercial bank offering financial solutions to businesses, individuals, families, and partners through digital and traditional service delivery |
787 | |||
| 18 |
ENGinenginprogram.org
A non-profit organization connecting Ukrainians with English-speaking peers for free online conversation practice to improve spoken English and intercultural skills |
760 | |||
| 19 |
GSBmygsb.bank
Established in 1875, GSB is a trusted financial institution on the Connecticut Shoreline, offering personalized banking services and opportunities for talented individuals |
667 | |||
| 20 |
Cannondalecannondale.com
Innovative bicycle company since 1971, focused on inspiring the world to ride and improving cycling through relentless innovation and global reach |
611 | |||
| 21 |
Finalsitefinalsite.com
A company that offers a simplified solution for school communications and enhanced online visibility #BetterToolsStrongerSchools |
569 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 22 |
Protos Securityprotossecurity.com
Premier security services provider in North America, offering guarding, off-duty, and remote services through a managed services model with innovative software solutions |
529 | |||
| 23 |
Consolidated School District of New Britaincsdnb.org
The company partners with family and community to provide personalized, whole-child education for students, preparing them to contribute to a changing future |
421 | |||
| 24 |
Healthtrax Fitness & Wellnesshealthtrax.com
Healthtrax Fitness & Wellness promotes personal healthcare responsibility through fitness programs and services, emphasizing holistic wellness and personalized customer care for members Apply today to join the team! |
418 | |||
| 25 |
Middletown Public Schoolsmiddletownschools.org
Educating nearly 4,800 students from preschool to high school with a focus on diversity, technology, and extracurricular activities to inspire academic and social potential |
412 | |||
| 26 |
Tradewind Aviationflytradewind.com
Providing high-quality private and scheduled air travel in North America and the Caribbean with a fleet of Pilatus PC-12s and Citation CJ3s |
393 | |||
| 27 |
Union Savings Bank - CTunionsavings.com
A $30 billion mutual bank in Connecticut offering banking, mortgage, investment, and insurance products, dedicated to serving customers and communities |
348 | |||
| 28 |
CTtransitcttransit.com
A state-owned bus system in Connecticut with a fleet of 520 buses providing transportation to 60+ cities, focused on sustainability and efficiency |
337 | |||
| 29 |
Madison Public Schoolsmadison.k12.ct.us
Provides quality education to students at Island Avenue Elementary within the Madison Public Schools district |
334 | |||
| 30 |
TicketNetworkticketnetwork.com
An online marketplace for concert, sport, and theater tickets, offering a leading software platform for real-time transactions in the secondary ticket industry |
315 | |||
| 31 |
XFLtheufl.com
The company merged with the USFL to create the United Football League, delivering fan-first, innovative professional football experiences beginning in 2024 |
303 | |||
| 32 |
City of Bridgeport, Connecticutbridgeportct.gov
Managing diverse multicultural municipality located on Long Island Sound, providing public green spaces, maintaining waterfront landscapes, and fostering urban community growth. |
301 | |||
| 33 |
WINwinfertility.com
The company provides comprehensive family-building and well-being solutions, including fertility support, surrogacy, adoption, menopause support, parenting resources, and more |
292 | |||
| 34 |
Saisystems Healthsaisystems.com
Healthcare solutions provider specializing in managed services and telemedicine software for long-term post-acute care industry, offering electronic health records and practice management |
280 | |||
| 35 |
Athletic Brewing Co.athleticbrewing.com
Brewing high-quality, great tasting nonalcoholic craft beer designed for modern adults seeking flavorful, alcohol-free beer options. |
278 | |||
| 36 |
American Eagle Financial Credit Unionamericaneagle.org
A not-for-profit financial institution offering products and services to help members achieve financial goals with caring, trust, and dependability |
278 | |||
| 37 |
Roscous.rosco.com
A leading manufacturer of lighting filters, gobos, scenic paints, LED fixtures, fog machines, and dance floors for the entertainment industry worldwide |
236 | |||
| 38 | 233 | ||||
| 39 |
Rollease Acmedarolleaseacmeda.com
Innovator of window covering hardware systems, specialized fabrics, and automated shade solutions, delivering enhanced technologies and exceptional service to trade customers |
202 | |||
| 40 |
Delivery Driver Networkdeliverydrivernetwork.com
A premier food delivery platform supporting local restaurants, independent drivers, and business owners with back-end services and technology for efficient operations |
197 | |||
| 41 |
F.W. Webb Companyfwwebb.com
A company specializing in providing plumbing, heating, HVAC, and industrial supplies to contractors, tradespeople, and commercial customers |
182 | |||
| 42 |
Northwest Community Banknwcommunitybank.com
A community-focused mutual savings bank providing consumer and commercial banking services, supporting local charities, and prioritizing customer relationships for over 150 years |
110 | |||
| 43 |
UPRAiZALupraizal.com
It offers a continuous performance appraisal and task management solution, enhancing clarity on employee contributions through intuitive analytics and visualizations. |
6 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
More company lists in Connecticut
- The largest companies in Connecticut 1,247
- Multinational companies in Connecticut 220
- Financial services firms in Connecticut 172
- Manufacturers in Connecticut 143
- Companies with in-house R&D in Connecticut 101
- Education providers in Connecticut 92
- Financial Services companies in Connecticut 92
- Hardware manufacturers in Connecticut 86
- Critical infrastructure operators in Connecticut 85
- Healthcare providers in Connecticut 79
- Hospitals and Health Care companies in Connecticut 76
- Retail chains in Connecticut 72
- Investment Management companies in Connecticut 72
- Venture capital and private equity firms in Connecticut 66
- Aerospace and defence companies in Connecticut 58
- IT Services and IT Consulting companies in Connecticut 57
- Professional services firms in Connecticut 54
- IT services companies in Connecticut 51
- Publicly traded companies in Connecticut 49
- Insurance companies in Connecticut 45
- Contract manufacturers in Connecticut 44
- SaaS companies in Connecticut 44
- Higher Education companies in Connecticut 43
- Public sector organisations in Connecticut 42
The same list elsewhere in United States
- Companies with a mobile app in the United States 4,663
- Companies with a mobile app in California 827
- Companies with a mobile app in New York State 491
- Companies with a mobile app in Texas 366
- Companies with a mobile app in Florida 284
- Companies with a mobile app in Illinois 178
- Companies with a mobile app in Massachusetts 159
- Companies with a mobile app in Alabama 156
- Companies with a mobile app in Pennsylvania 130
- Companies with a mobile app in Washington State 128
- Companies with a mobile app in Georgia 117
- Companies with a mobile app in Ohio 114
- Companies with a mobile app in New Jersey 113
- Companies with a mobile app in Colorado 100
- Companies with a mobile app in North Carolina 96
- Companies with a mobile app in Michigan 95
- Companies with a mobile app in Virginia 93
- Companies with a mobile app in Arizona 87
- Companies with a mobile app in Minnesota 84
- Companies with a mobile app in Missouri 78
- Companies with a mobile app in Utah 78
- Companies with a mobile app in New York 371
- Companies with a mobile app in San Francisco 238
- Companies with a mobile app in Los Angeles 81