> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/connecticut/ # Companies in Connecticut Larger organizations headquartered in Connecticut, the industries and cities they sit in, and how to reach their people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Larger organizations headquartered in Connecticut include Starwood Hotels & Resorts Worldwide, Electronic Data Systems, GXO Logistics, Amphenol and Spectrum. Below are the industries and cities that lead, the tools that stand out and how big they are. ## Which larger organizations are headquartered in Connecticut? They include Starwood Hotels & Resorts Worldwide, Electronic Data Systems, GXO Logistics, Amphenol and Spectrum. The table lists a selection in alphabetical order; names link to company profiles. | Company | Industry | Size | | --- | --- | --- | | [Aetna](https://enrich.chat/company/aetna/) | Health, wellness and fitness | 50,000 to 100,000 | | [Amphenol](https://enrich.chat/company/amphenol/) | Electrical and electronic manufacturing | 50,000 to 100,000 | | [Booking Holdings (NASDAQ: BKNG)](https://enrich.chat/company/booking-holdings-nasdaq-bkng/) | Information technology and services | 25,000 to 50,000 | | [CIGNA](https://enrich.chat/company/cigna/) | Hospitals and health care | 25,000 to 50,000 | | [Electronic Data Systems](https://enrich.chat/company/electronic-data-systems/) | Information technology and services | 100,000+ | | [EMCOR Group](https://enrich.chat/company/emcor-group/) | Construction | 25,000 to 50,000 | | [FactSet](https://enrich.chat/company/factset/) | Financial services | 10,000 to 25,000 | | [Gartner](https://enrich.chat/company/gartner/) | Information services | 25,000 to 50,000 | | [GXO Logistics](https://enrich.chat/company/gxo-logistics/) | Logistics and supply chain | 100,000+ | | [Harman International Industries](https://enrich.chat/company/harman-international-industries/) | Electrical and electronic manufacturing | 25,000 to 50,000 | | [Hartford Hospital](https://enrich.chat/company/hartford-hospital/) | Hospitals and health care | 25,000 to 50,000 | | [ITT](https://enrich.chat/company/itt/) | Machinery | 10,000 to 25,000 | | [LAZ Parking](https://enrich.chat/company/laz-parking/) | Real estate | 10,000 to 25,000 | | [Marshalls](https://enrich.chat/company/marshalls/) | Retail | 10,000 to 25,000 | | [Nuvance Health](https://enrich.chat/company/nuvance-health/) | Hospitals and health care | 10,000 to 25,000 | | [Otis Elevator](https://enrich.chat/company/otis-elevator/) | Consumer services | 50,000 to 100,000 | | [Pitney Bowes](https://enrich.chat/company/pitney-bowes/) | Information technology and services | 10,000 to 25,000 | | [Pratt & Whitney](https://enrich.chat/company/pratt-and-whitney/) | Aviation and aerospace | 25,000 to 50,000 | | [Spectrum](https://enrich.chat/company/spectrum/) | Telecommunications | 50,000 to 100,000 | | [SS&C Technologies Holdings](https://enrich.chat/company/ssandc-technologies-holdings/) | Information technology and services | 25,000 to 50,000 | | [Stanley Black & Decker](https://enrich.chat/company/stanley-black-and-decker/) | Mechanical or industrial engineering | 50,000 to 100,000 | | [Starwood Hotels & Resorts Worldwide](https://enrich.chat/company/starwood-hotels-and-resorts-worldwide/) | Hospitality | 100,000+ | | [Synchrony](https://enrich.chat/company/synchrony/) | Financial services | 10,000 to 25,000 | | [Terex](https://enrich.chat/company/terex/) | Machinery | 10,000 to 25,000 | | [The Cigna Group](https://enrich.chat/company/the-cigna-group/) | Hospitals and health care | 50,000 to 100,000 | | [The Hartford](https://enrich.chat/company/the-hartford/) | Financial services | 10,000 to 25,000 | | [United Rentals](https://enrich.chat/company/united-rentals/) | Construction | 25,000 to 50,000 | | [Xerox](https://enrich.chat/company/xerox/) | Management consulting | 50,000 to 100,000 | | [XPO Logistics](https://enrich.chat/company/xpo-logistics/) | Transportation, trucking and railroad | 25,000 to 50,000 | | [Yale University](https://enrich.chat/company/yale-university/) | Higher education | 10,000 to 25,000 | ## Which industries are biggest in Connecticut? The bars show the share of the organizations listed for Connecticut that work in each industry. **Figure: Industries of organizations in Connecticut.** Bars for the share of listed organizations in Connecticut by industry: Hospitals and health care 11%, Higher education 11%, Financial services 10%, Information technology and services 6%, Electrical and electronic manufacturing 6%, Mechanical or industrial engineering 6%. *Share of the organizations listed for Connecticut in each industry.* ## Which cities in Connecticut are home to the most? The bars show where the listed organizations have their headquarters. **Figure: Headquarters cities in Connecticut.** Bars for the share of listed organizations in Connecticut headquartered in each city: Stamford 24%, Hartford 11%, Norwalk 10%, Greenwich 7%, Shelton 7%, West Hartford 4%. *Share of the organizations listed for Connecticut by headquarters city.* ## What technology stands out in Connecticut? Each tool below is detected more often among organizations in Connecticut than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out in Connecticut.** Bars for the share of listed organizations in Connecticut where each tool was detected, with a tick for the share across everything listed: WP Engine 24% against 7%, LiveRamp 13% against 5%, Yahoo Ad Manager Plus 12% against 5%, ON24 11% against 4%, Simpli.fi 11% against 3%, Constant Contact 8% against 2%. *Share of listed organizations in Connecticut where each tool was detected. The tick marks the share across all listed organizations.* ## How big are the organizations in Connecticut? The columns show how the listed organizations spread across six size ranges. **Figure: Size of organizations in Connecticut.** Six columns for the share of listed organizations in Connecticut in each size range from 2,000 to over 100,000 employees: 2-5K 46%, 5-10K 17%, 10-25K 13%, 25-50K 12%, 50-100K 8%, 100K+ 4%. *Share of the organizations listed for Connecticut in each size range.* ## How do you reach the people at organizations in Connecticut? Pick an organization from the table, then ask your AI agent for the people in the roles you sell to. ```text Use www.enrich.chat to find the CIOs and heads of IT at [company] in Connecticut, with titles and verified work emails ``` ## Frequently asked questions ### Which larger organizations are headquartered in Connecticut? They include Starwood Hotels & Resorts Worldwide, Electronic Data Systems, GXO Logistics, Amphenol and Spectrum. The page lists a selection with links to their profiles. ### Which industries are biggest in Connecticut? The biggest are hospitals and health care, higher education, financial services and information technology and services. ### What technology stands out in Connecticut? Tools that stand out include WP Engine, LiveRamp, Yahoo Ad Manager Plus and ON24. ### How do I contact people at these organizations? Ask your AI agent to use www.enrich.chat to find the people in the roles you sell to, with titles and verified work emails. ## Try this prompt Find people at companies in Connecticut ```text Use www.enrich.chat to find the CIOs and heads of IT at [company] in Connecticut, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Companies in Tennessee](https://enrich.chat/companies-in/tennessee/) - [Companies in Arizona](https://enrich.chat/companies-in/arizona/) - [Companies in Colorado](https://enrich.chat/companies-in/colorado/) - [Companies in Maryland](https://enrich.chat/companies-in/maryland/) - [Companies in Indiana](https://enrich.chat/companies-in/indiana/) - [Companies in Missouri](https://enrich.chat/companies-in/missouri/) - [Companies in Wisconsin](https://enrich.chat/companies-in/wisconsin/) - [Companies in District of Columbia](https://enrich.chat/companies-in/district-of-columbia/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)