317-622-8970Search all companies →Communication Companies in Connecticut
19,954 companies in Communication in Connecticut.
Explore 19,954 Communication 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 Communication in California, Communication in New York, Communication in Florida.
Largest Communication in Connecticut companies by revenue
The highest-revenue companies in this directory. Open any profile for its full firmographics.
| # | Company | Location | Employees | Revenue |
|---|---|---|---|---|
| 1 | Spectrum | Stamford | 95,000 | $55.1B |
| 2 | Charter Communications Inc | Stamford | 94,824 | $54.8B |
| 3 | ESPN Inc | Bristol | 5,400 | $4.8B |
| 4 | Colt Technology Services Group Ltd | London | 6,000 | $2.2B |
| 5 | Wwe Lh Productions Inc | Stamford | 1,267 | $650M |
| 6 | Connoisseur Media | Westport | 500 | $258M |
| 7 | Siemens Private Communication Systems Inc | Hartford | 128 | $193M |
| 8 | TicketNetwork Inc | South Windsor | 364 | $161M |
| 9 | General Telephone Co | Stamford | 94 | $115M |
| 10 | Nimo TV | Manchester | 1,915 | $105M |
Communication in Connecticut companies by size and revenue
| Employees | Companies | Share |
|---|---|---|
| 1-50 | 19,695 | 98.7% |
| 51-200 | 214 | 1.1% |
| 201-1000 | 35 | 0.2% |
| 1001-5000 | 5 | 0.0% |
| 5001+ | 4 | 0.0% |
| Revenue | Companies | Share |
|---|---|---|
| Under $10M | 19,721 | 98.8% |
| $10M-$50M | 193 | 1.0% |
| $50M-$250M | 31 | 0.2% |
| $250M-$1B | 2 | 0.0% |
| $1B+ | 4 | 0.0% |
Share is of companies with a known value — 19,953 with headcount and 19,951 with revenue on file, as of Jul 17, 2026.
Frequently asked questions
How many Communication in Connecticut are there?
There are 19,954 Communication in Connecticut in the directory. Use the filters to narrow by employee count, revenue, or NAICS/SIC code.
How many large companies are in Communication in Connecticut?
14 of the 19,954 companies in Communication in Connecticut employ more than 500 people, and 4 report over $1 billion in annual revenue. See the size and revenue breakdown above for the full distribution.
What size are most Communication 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 19,951 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.