133,919 Connecticut businesses, checked and ready.
Connecticut businesses from state licences, registries and business listings: the biggest group is professional services. We check every email before anyone is emailed and name the owner where public records show it.
What we hold in Connecticut.
| Trade | Businesses | With email | With phone | No website found |
|---|---|---|---|---|
| Professional services | 29,672 | 24,935 | 6,038 | 183 |
| Contractors & trades | 28,796 | 8,947 | 9,784 | 3,093 |
| Clinics & health care | 19,447 | 6,386 | 16,292 | 3,080 |
| Salons & personal care | 15,548 | 9,485 | 12,012 | 2,974 |
| Retail stores | 13,249 | 6,532 | 5,553 | 251 |
| Restaurants & food | 12,866 | 6,354 | 9,980 | 1,334 |
| Manufacturing | 3,837 | 2,401 | 1,590 | 11 |
| Trucking & transport | 3,013 | 2,508 | 879 | 895 |
| Fitness & recreation | 1,933 | 1,764 | 304 | 4 |
| Wholesale & distribution | 1,283 | 999 | 235 | 9 |
| Nonprofits | 940 | 879 | 114 | 4 |
| Hotels & lodging | 933 | 461 | 705 | 51 |
| Waste & recycling | 658 | 390 | 229 | 17 |
| Farms & agriculture | 548 | 459 | 124 | 135 |
Counted 2026-10-08. "No website found" counts only businesses we have already checked.
Where they are.
Businesses in the busiest cities of Connecticut. Pick a city in the lead finder to see emails, owners and sample names.
Open the lead finder for Connecticut- Stamford 6,030
- Bridgeport 5,167
- Hartford 4,483
- New Haven 4,287
- Norwalk 4,019
- Danbury 4,011
- Glastonbury 3,894
- Waterbury 3,809
- Fairfield 2,853
- West Hartford 2,785
- Milford 2,440
- Hamden 2,149
What the numbers say.
Connecticut has 133,919 businesses in our database, number 16 of 51 (the 50 states and DC). 73,674 of them (55%) have an email on file, which puts Connecticut at number 1 for email coverage.
The biggest groups are professional offices (29,672), contractors and trades (28,796) and clinics and health practices (19,447). Email coverage is strongest among nonprofits: 94% have one.
We've checked the website of 21,000 Connecticut businesses so far; 12,064 (57%) had none, mostly contractors and trades, then clinics and health practices.
Of all Connecticut businesses, 9,985 have a named contact, usually the owner, from licences and property records.
The biggest cities are Stamford (6,030), Bridgeport, Hartford and New Haven. The lead finder covers Connecticut as a whole and its biggest cities.
Teams that find Connecticut leads useful
- Commercial cleaning companies: 49,119 clinics and offices in Connecticut
- IT services companies: 29,672 professional offices in Connecticut
- Commercial insurance agents: 28,796 contractors and trades in Connecticut
- Food and beverage suppliers: 12,866 restaurants and food businesses in Connecticut
Connecticut leads: common questions
How many Connecticut businesses can BeatTheDoor reach?
133,919 businesses are in our Connecticut database: 73,674 with an email on file and 63,965 with a phone number. We check each email before anyone is contacted.
Which Connecticut cities have the most businesses?
The biggest are Stamford (6,030), Bridgeport (5,167), Hartford (4,483), New Haven (4,287), Norwalk (4,019). Pick any of them in the lead finder to see more.
Can I target one city or trade in Connecticut?
Yes. A campaign is a trade and an area, down to a list of cities or ZIP codes, for example professional offices in Stamford. Your leads are yours alone in that area.