Businesses in Lower Connecticut River Valley Planning Region, Connecticut

As of October 15, 2026, ListRiver's records show 18,889 active registered businesses in Lower Connecticut River Valley Planning Region, Connecticut, the 7th most among Connecticut counties. 84% are LLCs. 177 were formed in September 2026. That is 5% of all Connecticut businesses on record.

From official Connecticut registry records, updated weekly. Look up a Connecticut business by name.

Businesses on record
18,889
Formed in the last 12 months
2,145
Formed in September
177
With a phone number
11%
1,997 records

New Lower Connecticut River Valley Planning Region businesses per month

0125250Oct 2024: 138Oct 24Nov 2024: 110Dec 2024: 120Jan 2025: 1992025Feb 2025: 144Mar 2025: 229Apr 2025: 158May 2025: 185Jun 2025: 158Jul 2025: 169Aug 2025: 171Sep 2025: 155Oct 2025: 183Nov 2025: 151Dec 2025: 151Jan 2026: 1842026Feb 2026: 173Mar 2026: 236Apr 2026: 195May 2026: 196Jun 2026: 162Jul 2026: 167Aug 2026: 170Sep 2026: 177

Businesses on record by formation month, through September 2026. Monthly Connecticut new-business reports · Get the list of 177 new businesses formed in September 2026

Entity types

  • LLCs15,825 · 84%
  • Corporations1,605 · 8%
  • Nonprofits1,312 · 7%
  • Limited partnerships54 · 0%
  • LLPs51 · 0%
  • Other42 · 0%

Top cities

Top ZIP codes

Industries (where known)

  • Real Estate4,149 · 23%
  • Professional & Technical Services2,104 · 12%
  • Construction2,026 · 11%
  • Other Services2,012 · 11%
  • Retail Trade1,349 · 7%
  • Health Care & Social Assistance1,017 · 6%
  • Administrative & Support Services813 · 4%
  • Accommodation & Food Services729 · 4%
  • Arts, Entertainment & Recreation713 · 4%
  • Manufacturing690 · 4%

Newest business names registered in Lower Connecticut River Valley Planning Region

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This is a small sample, not the full list. To keep automated scrapers from copying our data, we only show a handful of records on public pages. Your downloaded list includes every matching business.

BusinessCityTypeFormed
Name hiddenOld LymeCorporationOct 2026
Name hiddenCromwellLLCOct 2026
Name hiddenClintonLLCOct 2026
Name hiddenCromwellLLCOct 2026
Name hiddenDurhamLLCOct 2026
Name hiddenChesterLLCOct 2026
Name hiddenPortlandLLCOct 2026
Name hiddenMiddletownLLCOct 2026
Name hiddenOld SaybrookLLCOct 2026
Name hiddenOld LymeLLCOct 2026
Name hiddenKillingworthLLCOct 2026
Name hiddenMiddletownLLCOct 2026
Name hiddenCromwellLLCOct 2026
Name hiddenKillingworthLLCOct 2026
Name hiddenClintonLLCOct 2026
Name hiddenWestbrookLLCOct 2026
Name hiddenKillingworthLLCOct 2026
Name hiddenMiddletownLLCOct 2026
Name hiddenMiddletownLLCOct 2026
Name hiddenClintonLLCOct 2026
Name hiddenEast HamptonLLCOct 2026
Name hiddenClintonLLCOct 2026
Name hiddenMiddletownLLCOct 2026
Name hiddenMiddletownLLCOct 2026
Name hiddenClintonLLCOct 2026

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Common questions about Lower Connecticut River Valley Planning Region businesses

How many businesses are registered in Lower Connecticut River Valley Planning Region, Connecticut?

ListRiver has 18,889 active registered businesses in Lower Connecticut River Valley Planning Region, Connecticut on record as of October 15, 2026, from official Connecticut business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Lower Connecticut River Valley Planning Region, Connecticut in September 2026?

177 businesses on record in Lower Connecticut River Valley Planning Region, Connecticut were formed in September 2026.

How many new businesses opened in Lower Connecticut River Valley Planning Region, Connecticut in the last 12 months?

2,145 businesses on record in Lower Connecticut River Valley Planning Region, Connecticut were formed in the 12 months through September 2026.

What is the most common type of business in Lower Connecticut River Valley Planning Region, Connecticut?

LLCs are the most common: 15,825 of 18,889 businesses on record (84%), followed by Corporations with 1,605 (8%).

Where does this data come from?

From Connecticut's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.

How do I get a list of businesses in Lower Connecticut River Valley Planning Region, Connecticut?

Use ListRiver's list builder to filter Lower Connecticut River Valley Planning Region, Connecticut businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.

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About this data

Counts come from official Connecticut business registry records on file with ListRiver, current as of October 15, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.