Businesses in Naugatuck Valley Planning Region, Connecticut

As of October 15, 2026, ListRiver's records show 43,225 active registered businesses in Naugatuck Valley Planning Region, Connecticut, the 4th most among Connecticut counties. 85% are LLCs. 476 were formed in September 2026. That is 11% of all Connecticut businesses on record.

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

Businesses on record
43,225
Formed in the last 12 months
5,879
Formed in September
476
With a phone number
10%
4,267 records

New Naugatuck Valley Planning Region businesses per month

0400800Oct 2024: 403Oct 24Nov 2024: 328Dec 2024: 325Jan 2025: 4552025Feb 2025: 427Mar 2025: 505Apr 2025: 477May 2025: 501Jun 2025: 416Jul 2025: 485Aug 2025: 435Sep 2025: 464Oct 2025: 448Nov 2025: 380Dec 2025: 424Jan 2026: 5152026Feb 2026: 501Mar 2026: 610Apr 2026: 572May 2026: 498Jun 2026: 532Jul 2026: 465Aug 2026: 458Sep 2026: 476

Businesses on record by formation month, through September 2026. Monthly Connecticut new-business reports · Get the list of 476 new businesses formed in September 2026

Entity types

  • LLCs36,873 · 85%
  • Corporations3,644 · 8%
  • Nonprofits2,433 · 6%
  • Limited partnerships100 · 0%
  • LLPs97 · 0%
  • Other78 · 0%

Top cities

Top ZIP codes

Industries (where known)

  • Real Estate8,955 · 22%
  • Construction6,208 · 15%
  • Other Services4,654 · 11%
  • Professional & Technical Services3,792 · 9%
  • Retail Trade3,166 · 8%
  • Health Care & Social Assistance2,484 · 6%
  • Administrative & Support Services2,251 · 5%
  • Manufacturing1,624 · 4%
  • Accommodation & Food Services1,611 · 4%
  • Transportation & Warehousing1,495 · 4%

Newest business names registered in Naugatuck Valley Planning Region

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BusinessCityTypeFormed
Name hiddenWaterburyLLCOct 2026
Name hiddenSheltonLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenOxfordLLCOct 2026
Name hiddenSeymourLLCOct 2026
Name hiddenSeymourLLCOct 2026
Name hiddenBristolLLCOct 2026
Name hiddenSeymourLLCOct 2026
Name hiddenSouthburyLLCOct 2026
Name hiddenSheltonLLCOct 2026
Name hiddenBristolLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenBristolLLCOct 2026
Name hiddenBristolLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenWaterburyLLCOct 2026
Name hiddenCheshireLLCOct 2026
Name hiddenSeymourLLCOct 2026

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Common questions about Naugatuck Valley Planning Region businesses

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

ListRiver has 43,225 active registered businesses in Naugatuck 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 Naugatuck Valley Planning Region, Connecticut in September 2026?

476 businesses on record in Naugatuck Valley Planning Region, Connecticut were formed in September 2026.

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

5,879 businesses on record in Naugatuck Valley Planning Region, Connecticut were formed in the 12 months through September 2026.

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

LLCs are the most common: 36,873 of 43,225 businesses on record (85%), followed by Corporations with 3,644 (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 Naugatuck Valley Planning Region, Connecticut?

Use ListRiver's list builder to filter Naugatuck 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.